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Finding the Fourth Proportional to 543,502.71, 811,594.10 and 443,860.56

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Solution

The fourth proportional to 543,502.71, 811,594.10 and 443,860.56 is: 662,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,502.71 : 811,594.10 = 443,860.56 : x
  2. Step 2: Convert to fraction form
    543,502.71/811,594.10 = 443,860.56/x
  3. Step 3: Cross multiply
    543,502.71x = 811,594.10 × 443,860.56
  4. Step 4: Simplify right side
    543,502.71x = 360,234,612,828.35
  5. Step 5: Solve for x
    x = 360,234,612,828.35/543,502.71
  6. Step 6: Final answer
    x = 662,801.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.