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Finding the Fourth Proportional to 574,590.14, 861,885.21 and 293,954.30

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Solution

The fourth proportional to 574,590.14, 861,885.21 and 293,954.30 is: 440,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,590.14 : 861,885.21 = 293,954.30 : x
  2. Step 2: Convert to fraction form
    574,590.14/861,885.21 = 293,954.30/x
  3. Step 3: Cross multiply
    574,590.14x = 861,885.21 × 293,954.30
  4. Step 4: Simplify right side
    574,590.14x = 253,354,863,585.90
  5. Step 5: Solve for x
    x = 253,354,863,585.90/574,590.14
  6. Step 6: Final answer
    x = 440,931.45

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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.