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Finding the Fourth Proportional to 615,932.89, 925,539.59 and 331,841.59

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Solution

The fourth proportional to 615,932.89, 925,539.59 and 331,841.59 is: 498,646.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,932.89 : 925,539.59 = 331,841.59 : x
  2. Step 2: Convert to fraction form
    615,932.89/925,539.59 = 331,841.59/x
  3. Step 3: Cross multiply
    615,932.89x = 925,539.59 × 331,841.59
  4. Step 4: Simplify right side
    615,932.89x = 307,132,529,153.55
  5. Step 5: Solve for x
    x = 307,132,529,153.55/615,932.89
  6. Step 6: Final answer
    x = 498,646.09

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1.5x scale

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.