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Finding the Fourth Proportional to 4,865,330.60, 7,297,995.90 and 3,073,740.20

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Solution

The fourth proportional to 4,865,330.60, 7,297,995.90 and 3,073,740.20 is: 4,610,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865,330.60 : 7,297,995.90 = 3,073,740.20 : x
  2. Step 2: Convert to fraction form
    4,865,330.60/7,297,995.90 = 3,073,740.20/x
  3. Step 3: Cross multiply
    4,865,330.60x = 7,297,995.90 × 3,073,740.20
  4. Step 4: Simplify right side
    4,865,330.60x = 22,432,143,377,265.18
  5. Step 5: Solve for x
    x = 22,432,143,377,265.18/4,865,330.60
  6. Step 6: Final answer
    x = 4,610,610.30

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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.