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Finding the Fourth Proportional to 587,248.20, 880,872.30 and 514,931.40

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Solution

The fourth proportional to 587,248.20, 880,872.30 and 514,931.40 is: 772,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,248.20 : 880,872.30 = 514,931.40 : x
  2. Step 2: Convert to fraction form
    587,248.20/880,872.30 = 514,931.40/x
  3. Step 3: Cross multiply
    587,248.20x = 880,872.30 × 514,931.40
  4. Step 4: Simplify right side
    587,248.20x = 453,588,806,660.22
  5. Step 5: Solve for x
    x = 453,588,806,660.22/587,248.20
  6. Step 6: Final answer
    x = 772,397.10

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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.