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Finding the Fourth Proportional to 564,000.80, 846,001.20 and 189,984.80

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Solution

The fourth proportional to 564,000.80, 846,001.20 and 189,984.80 is: 284,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,000.80 : 846,001.20 = 189,984.80 : x
  2. Step 2: Convert to fraction form
    564,000.80/846,001.20 = 189,984.80/x
  3. Step 3: Cross multiply
    564,000.80x = 846,001.20 × 189,984.80
  4. Step 4: Simplify right side
    564,000.80x = 160,727,368,781.76
  5. Step 5: Solve for x
    x = 160,727,368,781.76/564,000.80
  6. Step 6: Final answer
    x = 284,977.20

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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.