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Finding the Fourth Proportional to 566,051.48, 781,171.44 and 324,380.76

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Solution

The fourth proportional to 566,051.48, 781,171.44 and 324,380.76 is: 447,657.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,051.48 : 781,171.44 = 324,380.76 : x
  2. Step 2: Convert to fraction form
    566,051.48/781,171.44 = 324,380.76/x
  3. Step 3: Cross multiply
    566,051.48x = 781,171.44 × 324,380.76
  4. Step 4: Simplify right side
    566,051.48x = 253,396,985,397.49
  5. Step 5: Solve for x
    x = 253,396,985,397.49/566,051.48
  6. Step 6: Final answer
    x = 447,657.14

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.