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Finding the Fourth Proportional to 586,038.77, 876,660.11 and 442,819.43

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Solution

The fourth proportional to 586,038.77, 876,660.11 and 442,819.43 is: 662,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,038.77 : 876,660.11 = 442,819.43 : x
  2. Step 2: Convert to fraction form
    586,038.77/876,660.11 = 442,819.43/x
  3. Step 3: Cross multiply
    586,038.77x = 876,660.11 × 442,819.43
  4. Step 4: Simplify right side
    586,038.77x = 388,202,130,213.94
  5. Step 5: Solve for x
    x = 388,202,130,213.94/586,038.77
  6. Step 6: Final answer
    x = 662,417.15

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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.