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Finding the Fourth Proportional to 653,612.10, 980,418.15 and 232,833.30

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Solution

The fourth proportional to 653,612.10, 980,418.15 and 232,833.30 is: 349,249.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,612.10 : 980,418.15 = 232,833.30 : x
  2. Step 2: Convert to fraction form
    653,612.10/980,418.15 = 232,833.30/x
  3. Step 3: Cross multiply
    653,612.10x = 980,418.15 × 232,833.30
  4. Step 4: Simplify right side
    653,612.10x = 228,273,993,244.40
  5. Step 5: Solve for x
    x = 228,273,993,244.40/653,612.10
  6. Step 6: Final answer
    x = 349,249.95

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Half scale
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Double scale
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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.