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Finding the Fourth Proportional to 621,801.80, 932,702.42 and 172,522.59

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Solution

The fourth proportional to 621,801.80, 932,702.42 and 172,522.59 is: 258,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,801.80 : 932,702.42 = 172,522.59 : x
  2. Step 2: Convert to fraction form
    621,801.80/932,702.42 = 172,522.59/x
  3. Step 3: Cross multiply
    621,801.80x = 932,702.42 × 172,522.59
  4. Step 4: Simplify right side
    621,801.80x = 160,912,236,335.06
  5. Step 5: Solve for x
    x = 160,912,236,335.06/621,801.80
  6. Step 6: Final answer
    x = 258,783.81

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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.