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Finding the Fourth Proportional to 636,995.90, 955,493.85 and 232,218.47

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Solution

The fourth proportional to 636,995.90, 955,493.85 and 232,218.47 is: 348,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,995.90 : 955,493.85 = 232,218.47 : x
  2. Step 2: Convert to fraction form
    636,995.90/955,493.85 = 232,218.47/x
  3. Step 3: Cross multiply
    636,995.90x = 955,493.85 × 232,218.47
  4. Step 4: Simplify right side
    636,995.90x = 221,883,319,941.41
  5. Step 5: Solve for x
    x = 221,883,319,941.41/636,995.90
  6. Step 6: Final answer
    x = 348,327.71

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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.