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Finding the Fourth Proportional to 497,432.80, 745,711.80 and 297,832.60

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Solution

The fourth proportional to 497,432.80, 745,711.80 and 297,832.60 is: 446,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,432.80 : 745,711.80 = 297,832.60 : x
  2. Step 2: Convert to fraction form
    497,432.80/745,711.80 = 297,832.60/x
  3. Step 3: Cross multiply
    497,432.80x = 745,711.80 × 297,832.60
  4. Step 4: Simplify right side
    497,432.80x = 222,097,284,244.68
  5. Step 5: Solve for x
    x = 222,097,284,244.68/497,432.80
  6. Step 6: Final answer
    x = 446,487.01

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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.