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Finding the Fourth Proportional to 601,872.60, 902,808.90 and 247,141.20

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Solution

The fourth proportional to 601,872.60, 902,808.90 and 247,141.20 is: 370,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,872.60 : 902,808.90 = 247,141.20 : x
  2. Step 2: Convert to fraction form
    601,872.60/902,808.90 = 247,141.20/x
  3. Step 3: Cross multiply
    601,872.60x = 902,808.90 × 247,141.20
  4. Step 4: Simplify right side
    601,872.60x = 223,121,274,916.68
  5. Step 5: Solve for x
    x = 223,121,274,916.68/601,872.60
  6. Step 6: Final answer
    x = 370,711.80

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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.