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Finding the Fourth Proportional to 633,743.55, 950,615.33 and 381,801.15

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Solution

The fourth proportional to 633,743.55, 950,615.33 and 381,801.15 is: 572,701.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,743.55 : 950,615.33 = 381,801.15 : x
  2. Step 2: Convert to fraction form
    633,743.55/950,615.33 = 381,801.15/x
  3. Step 3: Cross multiply
    633,743.55x = 950,615.33 × 381,801.15
  4. Step 4: Simplify right side
    633,743.55x = 362,946,024,292.62
  5. Step 5: Solve for x
    x = 362,946,024,292.62/633,743.55
  6. Step 6: Final answer
    x = 572,701.73

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Double scale
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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.