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Finding the Fourth Proportional to 620,590.96, 930,867.84 and 171,339.24

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Solution

The fourth proportional to 620,590.96, 930,867.84 and 171,339.24 is: 257,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,590.96 : 930,867.84 = 171,339.24 : x
  2. Step 2: Convert to fraction form
    620,590.96/930,867.84 = 171,339.24/x
  3. Step 3: Cross multiply
    620,590.96x = 930,867.84 × 171,339.24
  4. Step 4: Simplify right side
    620,590.96x = 159,494,188,246.04
  5. Step 5: Solve for x
    x = 159,494,188,246.04/620,590.96
  6. Step 6: Final answer
    x = 257,003.72

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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.