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Finding the Fourth Proportional to 362,510.60, 543,765.90 and 329,851.40

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Solution

The fourth proportional to 362,510.60, 543,765.90 and 329,851.40 is: 494,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,510.60 : 543,765.90 = 329,851.40 : x
  2. Step 2: Convert to fraction form
    362,510.60/543,765.90 = 329,851.40/x
  3. Step 3: Cross multiply
    362,510.60x = 543,765.90 × 329,851.40
  4. Step 4: Simplify right side
    362,510.60x = 179,361,943,387.26
  5. Step 5: Solve for x
    x = 179,361,943,387.26/362,510.60
  6. Step 6: Final answer
    x = 494,777.10

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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.