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Finding the Fourth Proportional to 497,791.20, 746,686.80 and 357,823.20

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Solution

The fourth proportional to 497,791.20, 746,686.80 and 357,823.20 is: 536,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,791.20 : 746,686.80 = 357,823.20 : x
  2. Step 2: Convert to fraction form
    497,791.20/746,686.80 = 357,823.20/x
  3. Step 3: Cross multiply
    497,791.20x = 746,686.80 × 357,823.20
  4. Step 4: Simplify right side
    497,791.20x = 267,181,860,173.76
  5. Step 5: Solve for x
    x = 267,181,860,173.76/497,791.20
  6. Step 6: Final answer
    x = 536,734.80

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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.