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Finding the Fourth Proportional to 586,669.88, 878,516.28 and 491,650.19

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Solution

The fourth proportional to 586,669.88, 878,516.28 and 491,650.19 is: 736,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,669.88 : 878,516.28 = 491,650.19 : x
  2. Step 2: Convert to fraction form
    586,669.88/878,516.28 = 491,650.19/x
  3. Step 3: Cross multiply
    586,669.88x = 878,516.28 × 491,650.19
  4. Step 4: Simplify right side
    586,669.88x = 431,922,693,521.84
  5. Step 5: Solve for x
    x = 431,922,693,521.84/586,669.88
  6. Step 6: Final answer
    x = 736,227.84

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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.