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Finding the Fourth Proportional to 472,891.60, 709,337.40 and 295,944.40

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Solution

The fourth proportional to 472,891.60, 709,337.40 and 295,944.40 is: 443,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,891.60 : 709,337.40 = 295,944.40 : x
  2. Step 2: Convert to fraction form
    472,891.60/709,337.40 = 295,944.40/x
  3. Step 3: Cross multiply
    472,891.60x = 709,337.40 × 295,944.40
  4. Step 4: Simplify right side
    472,891.60x = 209,924,431,240.56
  5. Step 5: Solve for x
    x = 209,924,431,240.56/472,891.60
  6. Step 6: Final answer
    x = 443,916.60

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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.