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Finding the Fourth Proportional to 572,512.80, 858,769.20 and 468,832.80

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Solution

The fourth proportional to 572,512.80, 858,769.20 and 468,832.80 is: 703,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,512.80 : 858,769.20 = 468,832.80 : x
  2. Step 2: Convert to fraction form
    572,512.80/858,769.20 = 468,832.80/x
  3. Step 3: Cross multiply
    572,512.80x = 858,769.20 × 468,832.80
  4. Step 4: Simplify right side
    572,512.80x = 402,619,168,589.76
  5. Step 5: Solve for x
    x = 402,619,168,589.76/572,512.80
  6. Step 6: Final answer
    x = 703,249.20

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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.