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Finding the Fourth Proportional to 627,377.60, 941,064.50 and 178,098.86

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Solution

The fourth proportional to 627,377.60, 941,064.50 and 178,098.86 is: 267,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,377.60 : 941,064.50 = 178,098.86 : x
  2. Step 2: Convert to fraction form
    627,377.60/941,064.50 = 178,098.86/x
  3. Step 3: Cross multiply
    627,377.60x = 941,064.50 × 178,098.86
  4. Step 4: Simplify right side
    627,377.60x = 167,602,509,040.65
  5. Step 5: Solve for x
    x = 167,602,509,040.65/627,377.60
  6. Step 6: Final answer
    x = 267,147.74

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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.