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Finding the Fourth Proportional to 543,592.08, 815,308.92 and 144,257.04

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Solution

The fourth proportional to 543,592.08, 815,308.92 and 144,257.04 is: 216,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,592.08 : 815,308.92 = 144,257.04 : x
  2. Step 2: Convert to fraction form
    543,592.08/815,308.92 = 144,257.04/x
  3. Step 3: Cross multiply
    543,592.08x = 815,308.92 × 144,257.04
  4. Step 4: Simplify right side
    543,592.08x = 117,614,051,484.80
  5. Step 5: Solve for x
    x = 117,614,051,484.80/543,592.08
  6. Step 6: Final answer
    x = 216,364.54

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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.