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Finding the Fourth Proportional to 452,843.60, 679,265.40 and 293,411.30

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Solution

The fourth proportional to 452,843.60, 679,265.40 and 293,411.30 is: 440,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,843.60 : 679,265.40 = 293,411.30 : x
  2. Step 2: Convert to fraction form
    452,843.60/679,265.40 = 293,411.30/x
  3. Step 3: Cross multiply
    452,843.60x = 679,265.40 × 293,411.30
  4. Step 4: Simplify right side
    452,843.60x = 199,304,144,059.02
  5. Step 5: Solve for x
    x = 199,304,144,059.02/452,843.60
  6. Step 6: Final answer
    x = 440,116.95

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Similar ratio
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1.5x scale

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.