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Finding the Fourth Proportional to 567,649.62, 783,546.21 and 338,278.88

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Solution

The fourth proportional to 567,649.62, 783,546.21 and 338,278.88 is: 466,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,649.62 : 783,546.21 = 338,278.88 : x
  2. Step 2: Convert to fraction form
    567,649.62/783,546.21 = 338,278.88/x
  3. Step 3: Cross multiply
    567,649.62x = 783,546.21 × 338,278.88
  4. Step 4: Simplify right side
    567,649.62x = 265,057,136,305.91
  5. Step 5: Solve for x
    x = 265,057,136,305.91/567,649.62
  6. Step 6: Final answer
    x = 466,937.93

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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.