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Finding the Fourth Proportional to 542,829.80, 814,244.70 and 534,956.60

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Solution

The fourth proportional to 542,829.80, 814,244.70 and 534,956.60 is: 802,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,829.80 : 814,244.70 = 534,956.60 : x
  2. Step 2: Convert to fraction form
    542,829.80/814,244.70 = 534,956.60/x
  3. Step 3: Cross multiply
    542,829.80x = 814,244.70 × 534,956.60
  4. Step 4: Simplify right side
    542,829.80x = 435,585,576,280.02
  5. Step 5: Solve for x
    x = 435,585,576,280.02/542,829.80
  6. Step 6: Final answer
    x = 802,434.90

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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.