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Finding the Fourth Proportional to 623,793.90, 935,690.85 and 250,085.10

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Solution

The fourth proportional to 623,793.90, 935,690.85 and 250,085.10 is: 375,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,793.90 : 935,690.85 = 250,085.10 : x
  2. Step 2: Convert to fraction form
    623,793.90/935,690.85 = 250,085.10/x
  3. Step 3: Cross multiply
    623,793.90x = 935,690.85 × 250,085.10
  4. Step 4: Simplify right side
    623,793.90x = 234,002,339,791.34
  5. Step 5: Solve for x
    x = 234,002,339,791.34/623,793.90
  6. Step 6: Final answer
    x = 375,127.65

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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.