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Finding the Fourth Proportional to 541,853.27, 813,304.80 and 261,567.35

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Solution

The fourth proportional to 541,853.27, 813,304.80 and 261,567.35 is: 392,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,853.27 : 813,304.80 = 261,567.35 : x
  2. Step 2: Convert to fraction form
    541,853.27/813,304.80 = 261,567.35/x
  3. Step 3: Cross multiply
    541,853.27x = 813,304.80 × 261,567.35
  4. Step 4: Simplify right side
    541,853.27x = 212,733,977,211.76
  5. Step 5: Solve for x
    x = 212,733,977,211.76/541,853.27
  6. Step 6: Final answer
    x = 392,604.40

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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.