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Finding the Fourth Proportional to 532,310.90, 798,466.35 and 488,765.30

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Solution

The fourth proportional to 532,310.90, 798,466.35 and 488,765.30 is: 733,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,310.90 : 798,466.35 = 488,765.30 : x
  2. Step 2: Convert to fraction form
    532,310.90/798,466.35 = 488,765.30/x
  3. Step 3: Cross multiply
    532,310.90x = 798,466.35 × 488,765.30
  4. Step 4: Simplify right side
    532,310.90x = 390,262,645,097.66
  5. Step 5: Solve for x
    x = 390,262,645,097.66/532,310.90
  6. Step 6: Final answer
    x = 733,147.95

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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.