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Finding the Fourth Proportional to 568,193.44, 784,151.20 and 326,560.32

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Solution

The fourth proportional to 568,193.44, 784,151.20 and 326,560.32 is: 450,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,193.44 : 784,151.20 = 326,560.32 : x
  2. Step 2: Convert to fraction form
    568,193.44/784,151.20 = 326,560.32/x
  3. Step 3: Cross multiply
    568,193.44x = 784,151.20 × 326,560.32
  4. Step 4: Simplify right side
    568,193.44x = 256,072,666,800.38
  5. Step 5: Solve for x
    x = 256,072,666,800.38/568,193.44
  6. Step 6: Final answer
    x = 450,678.68

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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.