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Finding the Fourth Proportional to 883,257.60, 1,324,886.40 and 252,089.40

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Solution

The fourth proportional to 883,257.60, 1,324,886.40 and 252,089.40 is: 378,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,257.60 : 1,324,886.40 = 252,089.40 : x
  2. Step 2: Convert to fraction form
    883,257.60/1,324,886.40 = 252,089.40/x
  3. Step 3: Cross multiply
    883,257.60x = 1,324,886.40 × 252,089.40
  4. Step 4: Simplify right side
    883,257.60x = 333,989,817,644.16
  5. Step 5: Solve for x
    x = 333,989,817,644.16/883,257.60
  6. Step 6: Final answer
    x = 378,134.10

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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.