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Finding the Fourth Proportional to 517,771.98, 776,691.54 and 162,799.74

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Solution

The fourth proportional to 517,771.98, 776,691.54 and 162,799.74 is: 244,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,771.98 : 776,691.54 = 162,799.74 : x
  2. Step 2: Convert to fraction form
    517,771.98/776,691.54 = 162,799.74/x
  3. Step 3: Cross multiply
    517,771.98x = 776,691.54 × 162,799.74
  4. Step 4: Simplify right side
    517,771.98x = 126,445,180,772.20
  5. Step 5: Solve for x
    x = 126,445,180,772.20/517,771.98
  6. Step 6: Final answer
    x = 244,210.17

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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.