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Finding the Fourth Proportional to 452,701.80, 679,052.70 and 137,174.40

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Solution

The fourth proportional to 452,701.80, 679,052.70 and 137,174.40 is: 205,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,701.80 : 679,052.70 = 137,174.40 : x
  2. Step 2: Convert to fraction form
    452,701.80/679,052.70 = 137,174.40/x
  3. Step 3: Cross multiply
    452,701.80x = 679,052.70 × 137,174.40
  4. Step 4: Simplify right side
    452,701.80x = 93,148,646,690.88
  5. Step 5: Solve for x
    x = 93,148,646,690.88/452,701.80
  6. Step 6: Final answer
    x = 205,761.60

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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.