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Finding the Fourth Proportional to 473,414.20, 710,124.90 and 157,870.60

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Solution

The fourth proportional to 473,414.20, 710,124.90 and 157,870.60 is: 236,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,414.20 : 710,124.90 = 157,870.60 : x
  2. Step 2: Convert to fraction form
    473,414.20/710,124.90 = 157,870.60/x
  3. Step 3: Cross multiply
    473,414.20x = 710,124.90 × 157,870.60
  4. Step 4: Simplify right side
    473,414.20x = 112,107,844,037.94
  5. Step 5: Solve for x
    x = 112,107,844,037.94/473,414.20
  6. Step 6: Final answer
    x = 236,807.10

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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.