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Finding the Fourth Proportional to 653,826.30, 980,739.45 and 232,950.30

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Solution

The fourth proportional to 653,826.30, 980,739.45 and 232,950.30 is: 349,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,826.30 : 980,739.45 = 232,950.30 : x
  2. Step 2: Convert to fraction form
    653,826.30/980,739.45 = 232,950.30/x
  3. Step 3: Cross multiply
    653,826.30x = 980,739.45 × 232,950.30
  4. Step 4: Simplify right side
    653,826.30x = 228,463,549,099.34
  5. Step 5: Solve for x
    x = 228,463,549,099.34/653,826.30
  6. Step 6: Final answer
    x = 349,425.45

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Half scale
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Double scale
Find fourth proportional to 653,827.30, 980,740.95 and 232,951.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.