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Finding the Fourth Proportional to 615,096.66, 922,780.50 and 188,691.24

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Solution

The fourth proportional to 615,096.66, 922,780.50 and 188,691.24 is: 283,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,096.66 : 922,780.50 = 188,691.24 : x
  2. Step 2: Convert to fraction form
    615,096.66/922,780.50 = 188,691.24/x
  3. Step 3: Cross multiply
    615,096.66x = 922,780.50 × 188,691.24
  4. Step 4: Simplify right side
    615,096.66x = 174,120,596,792.82
  5. Step 5: Solve for x
    x = 174,120,596,792.82/615,096.66
  6. Step 6: Final answer
    x = 283,078.43

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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.