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Finding the Fourth Proportional to 488,306.41, 731,573.78 and 360,539.13

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Solution

The fourth proportional to 488,306.41, 731,573.78 and 360,539.13 is: 540,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,306.41 : 731,573.78 = 360,539.13 : x
  2. Step 2: Convert to fraction form
    488,306.41/731,573.78 = 360,539.13/x
  3. Step 3: Cross multiply
    488,306.41x = 731,573.78 × 360,539.13
  4. Step 4: Simplify right side
    488,306.41x = 263,760,975,112.72
  5. Step 5: Solve for x
    x = 263,760,975,112.72/488,306.41
  6. Step 6: Final answer
    x = 540,154.65

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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.