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Finding the Fourth Proportional to 564,794.30, 847,191.45 and 486,062.30

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Solution

The fourth proportional to 564,794.30, 847,191.45 and 486,062.30 is: 729,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,794.30 : 847,191.45 = 486,062.30 : x
  2. Step 2: Convert to fraction form
    564,794.30/847,191.45 = 486,062.30/x
  3. Step 3: Cross multiply
    564,794.30x = 847,191.45 × 486,062.30
  4. Step 4: Simplify right side
    564,794.30x = 411,787,824,727.34
  5. Step 5: Solve for x
    x = 411,787,824,727.34/564,794.30
  6. Step 6: Final answer
    x = 729,093.45

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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.