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Finding the Fourth Proportional to 581,514.54, 872,272 and 239,952.98

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Solution

The fourth proportional to 581,514.54, 872,272 and 239,952.98 is: 359,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,514.54 : 872,272 = 239,952.98 : x
  2. Step 2: Convert to fraction form
    581,514.54/872,272 = 239,952.98/x
  3. Step 3: Cross multiply
    581,514.54x = 872,272 × 239,952.98
  4. Step 4: Simplify right side
    581,514.54x = 209,304,265,770.56
  5. Step 5: Solve for x
    x = 209,304,265,770.56/581,514.54
  6. Step 6: Final answer
    x = 359,929.55

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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.