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Finding the Fourth Proportional to 586,979.68, 880,038.60 and 187,390.48

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Solution

The fourth proportional to 586,979.68, 880,038.60 and 187,390.48 is: 280,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,979.68 : 880,038.60 = 187,390.48 : x
  2. Step 2: Convert to fraction form
    586,979.68/880,038.60 = 187,390.48/x
  3. Step 3: Cross multiply
    586,979.68x = 880,038.60 × 187,390.48
  4. Step 4: Simplify right side
    586,979.68x = 164,910,855,672.53
  5. Step 5: Solve for x
    x = 164,910,855,672.53/586,979.68
  6. Step 6: Final answer
    x = 280,948.15

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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.