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Finding the Fourth Proportional to 482,807.40, 724,211.10 and 295,924.20

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Solution

The fourth proportional to 482,807.40, 724,211.10 and 295,924.20 is: 443,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,807.40 : 724,211.10 = 295,924.20 : x
  2. Step 2: Convert to fraction form
    482,807.40/724,211.10 = 295,924.20/x
  3. Step 3: Cross multiply
    482,807.40x = 724,211.10 × 295,924.20
  4. Step 4: Simplify right side
    482,807.40x = 214,311,590,398.62
  5. Step 5: Solve for x
    x = 214,311,590,398.62/482,807.40
  6. Step 6: Final answer
    x = 443,886.30

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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.