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Finding the Fourth Proportional to 459,041.90, 688,562.85 and 352,753.70

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Solution

The fourth proportional to 459,041.90, 688,562.85 and 352,753.70 is: 529,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,041.90 : 688,562.85 = 352,753.70 : x
  2. Step 2: Convert to fraction form
    459,041.90/688,562.85 = 352,753.70/x
  3. Step 3: Cross multiply
    459,041.90x = 688,562.85 × 352,753.70
  4. Step 4: Simplify right side
    459,041.90x = 242,893,093,020.05
  5. Step 5: Solve for x
    x = 242,893,093,020.05/459,041.90
  6. Step 6: Final answer
    x = 529,130.55

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Similar ratio
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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.