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Finding the Fourth Proportional to 649,147.28, 895,841.52 and 362,698.88

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Solution

The fourth proportional to 649,147.28, 895,841.52 and 362,698.88 is: 500,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,147.28 : 895,841.52 = 362,698.88 : x
  2. Step 2: Convert to fraction form
    649,147.28/895,841.52 = 362,698.88/x
  3. Step 3: Cross multiply
    649,147.28x = 895,841.52 × 362,698.88
  4. Step 4: Simplify right side
    649,147.28x = 324,920,715,961.50
  5. Step 5: Solve for x
    x = 324,920,715,961.50/649,147.28
  6. Step 6: Final answer
    x = 500,534.66

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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.