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Finding the Fourth Proportional to 541,398.74, 811,818.05 and 237,668.58

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Solution

The fourth proportional to 541,398.74, 811,818.05 and 237,668.58 is: 356,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,398.74 : 811,818.05 = 237,668.58 : x
  2. Step 2: Convert to fraction form
    541,398.74/811,818.05 = 237,668.58/x
  3. Step 3: Cross multiply
    541,398.74x = 811,818.05 × 237,668.58
  4. Step 4: Simplify right side
    541,398.74x = 192,943,641,973.53
  5. Step 5: Solve for x
    x = 192,943,641,973.53/541,398.74
  6. Step 6: Final answer
    x = 356,379.93

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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.