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Finding the Fourth Proportional to 594,666, 891,991.02 and 145,390.74

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Solution

The fourth proportional to 594,666, 891,991.02 and 145,390.74 is: 218,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,666 : 891,991.02 = 145,390.74 : x
  2. Step 2: Convert to fraction form
    594,666/891,991.02 = 145,390.74/x
  3. Step 3: Cross multiply
    594,666x = 891,991.02 × 145,390.74
  4. Step 4: Simplify right side
    594,666x = 129,687,234,471.16
  5. Step 5: Solve for x
    x = 129,687,234,471.16/594,666
  6. Step 6: Final answer
    x = 218,084.16

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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.