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Finding the Fourth Proportional to 605,402.60, 907,715.10 and 250,557.80

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Solution

The fourth proportional to 605,402.60, 907,715.10 and 250,557.80 is: 375,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,402.60 : 907,715.10 = 250,557.80 : x
  2. Step 2: Convert to fraction form
    605,402.60/907,715.10 = 250,557.80/x
  3. Step 3: Cross multiply
    605,402.60x = 907,715.10 × 250,557.80
  4. Step 4: Simplify right side
    605,402.60x = 227,435,098,482.78
  5. Step 5: Solve for x
    x = 227,435,098,482.78/605,402.60
  6. Step 6: Final answer
    x = 375,675.79

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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.