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Finding the Fourth Proportional to 488,307.16, 731,574.90 and 360,539.89

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Solution

The fourth proportional to 488,307.16, 731,574.90 and 360,539.89 is: 540,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,307.16 : 731,574.90 = 360,539.89 : x
  2. Step 2: Convert to fraction form
    488,307.16/731,574.90 = 360,539.89/x
  3. Step 3: Cross multiply
    488,307.16x = 731,574.90 × 360,539.89
  4. Step 4: Simplify right side
    488,307.16x = 263,761,932,143.82
  5. Step 5: Solve for x
    x = 263,761,932,143.82/488,307.16
  6. Step 6: Final answer
    x = 540,155.78

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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.