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Finding the Fourth Proportional to 532,257.60, 798,539.40 and 307,778.88

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Solution

The fourth proportional to 532,257.60, 798,539.40 and 307,778.88 is: 461,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,257.60 : 798,539.40 = 307,778.88 : x
  2. Step 2: Convert to fraction form
    532,257.60/798,539.40 = 307,778.88/x
  3. Step 3: Cross multiply
    532,257.60x = 798,539.40 × 307,778.88
  4. Step 4: Simplify right side
    532,257.60x = 245,773,562,167.87
  5. Step 5: Solve for x
    x = 245,773,562,167.87/532,257.60
  6. Step 6: Final answer
    x = 461,756.79

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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.