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Finding the Fourth Proportional to 615,152.10, 923,712.30 and 465,561.30

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Solution

The fourth proportional to 615,152.10, 923,712.30 and 465,561.30 is: 699,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,152.10 : 923,712.30 = 465,561.30 : x
  2. Step 2: Convert to fraction form
    615,152.10/923,712.30 = 465,561.30/x
  3. Step 3: Cross multiply
    615,152.10x = 923,712.30 × 465,561.30
  4. Step 4: Simplify right side
    615,152.10x = 430,044,699,213.99
  5. Step 5: Solve for x
    x = 430,044,699,213.99/615,152.10
  6. Step 6: Final answer
    x = 699,086.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.