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Finding the Fourth Proportional to 619,599.39, 927,593.84 and 460,381.01

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Solution

The fourth proportional to 619,599.39, 927,593.84 and 460,381.01 is: 689,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,599.39 : 927,593.84 = 460,381.01 : x
  2. Step 2: Convert to fraction form
    619,599.39/927,593.84 = 460,381.01/x
  3. Step 3: Cross multiply
    619,599.39x = 927,593.84 × 460,381.01
  4. Step 4: Simplify right side
    619,599.39x = 427,046,581,989.10
  5. Step 5: Solve for x
    x = 427,046,581,989.10/619,599.39
  6. Step 6: Final answer
    x = 689,230.15

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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.