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Finding the Fourth Proportional to 680,462.00, 939,030.17 and 374,531.84

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Solution

The fourth proportional to 680,462.00, 939,030.17 and 374,531.84 is: 516,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,462.00 : 939,030.17 = 374,531.84 : x
  2. Step 2: Convert to fraction form
    680,462.00/939,030.17 = 374,531.84/x
  3. Step 3: Cross multiply
    680,462.00x = 939,030.17 × 374,531.84
  4. Step 4: Simplify right side
    680,462.00x = 351,696,690,817.80
  5. Step 5: Solve for x
    x = 351,696,690,817.80/680,462.00
  6. Step 6: Final answer
    x = 516,849.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.