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Finding the Fourth Proportional to 465,549.64, 698,630.70 and 255,335.20

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Solution

The fourth proportional to 465,549.64, 698,630.70 and 255,335.20 is: 383,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,549.64 : 698,630.70 = 255,335.20 : x
  2. Step 2: Convert to fraction form
    465,549.64/698,630.70 = 255,335.20/x
  3. Step 3: Cross multiply
    465,549.64x = 698,630.70 × 255,335.20
  4. Step 4: Simplify right side
    465,549.64x = 178,385,009,510.64
  5. Step 5: Solve for x
    x = 178,385,009,510.64/465,549.64
  6. Step 6: Final answer
    x = 383,170.76

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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.