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Finding the Fourth Proportional to 261,659.60, 392,028.60 and 224,795.60

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Solution

The fourth proportional to 261,659.60, 392,028.60 and 224,795.60 is: 336,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,659.60 : 392,028.60 = 224,795.60 : x
  2. Step 2: Convert to fraction form
    261,659.60/392,028.60 = 224,795.60/x
  3. Step 3: Cross multiply
    261,659.60x = 392,028.60 × 224,795.60
  4. Step 4: Simplify right side
    261,659.60x = 88,126,304,354.16
  5. Step 5: Solve for x
    x = 88,126,304,354.16/261,659.60
  6. Step 6: Final answer
    x = 336,797.52

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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.