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Finding the Fourth Proportional to 633,743.52, 950,673.92 and 207,281.76

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Solution

The fourth proportional to 633,743.52, 950,673.92 and 207,281.76 is: 310,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,743.52 : 950,673.92 = 207,281.76 : x
  2. Step 2: Convert to fraction form
    633,743.52/950,673.92 = 207,281.76/x
  3. Step 3: Cross multiply
    633,743.52x = 950,673.92 × 207,281.76
  4. Step 4: Simplify right side
    633,743.52x = 197,057,363,323.70
  5. Step 5: Solve for x
    x = 197,057,363,323.70/633,743.52
  6. Step 6: Final answer
    x = 310,941.82

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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.