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Finding the Fourth Proportional to 649,900.20, 974,850.30 and 566,956.20

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Solution

The fourth proportional to 649,900.20, 974,850.30 and 566,956.20 is: 850,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,900.20 : 974,850.30 = 566,956.20 : x
  2. Step 2: Convert to fraction form
    649,900.20/974,850.30 = 566,956.20/x
  3. Step 3: Cross multiply
    649,900.20x = 974,850.30 × 566,956.20
  4. Step 4: Simplify right side
    649,900.20x = 552,697,421,656.86
  5. Step 5: Solve for x
    x = 552,697,421,656.86/649,900.20
  6. Step 6: Final answer
    x = 850,434.30

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Half scale
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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.