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Finding the Fourth Proportional to 425,061.60, 637,592.40 and 357,410.40

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Solution

The fourth proportional to 425,061.60, 637,592.40 and 357,410.40 is: 536,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,061.60 : 637,592.40 = 357,410.40 : x
  2. Step 2: Convert to fraction form
    425,061.60/637,592.40 = 357,410.40/x
  3. Step 3: Cross multiply
    425,061.60x = 637,592.40 × 357,410.40
  4. Step 4: Simplify right side
    425,061.60x = 227,882,154,720.96
  5. Step 5: Solve for x
    x = 227,882,154,720.96/425,061.60
  6. Step 6: Final answer
    x = 536,115.60

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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.