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Finding the Fourth Proportional to 615,092.90, 922,466.55 and 194,497.70

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Solution

The fourth proportional to 615,092.90, 922,466.55 and 194,497.70 is: 291,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,092.90 : 922,466.55 = 194,497.70 : x
  2. Step 2: Convert to fraction form
    615,092.90/922,466.55 = 194,497.70/x
  3. Step 3: Cross multiply
    615,092.90x = 922,466.55 × 194,497.70
  4. Step 4: Simplify right side
    615,092.90x = 179,417,622,301.94
  5. Step 5: Solve for x
    x = 179,417,622,301.94/615,092.90
  6. Step 6: Final answer
    x = 291,691.91

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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.