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Finding the Fourth Proportional to 636,833.56, 955,143.05 and 181,392.76

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Solution

The fourth proportional to 636,833.56, 955,143.05 and 181,392.76 is: 272,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,833.56 : 955,143.05 = 181,392.76 : x
  2. Step 2: Convert to fraction form
    636,833.56/955,143.05 = 181,392.76/x
  3. Step 3: Cross multiply
    636,833.56x = 955,143.05 × 181,392.76
  4. Step 4: Simplify right side
    636,833.56x = 173,256,034,034.32
  5. Step 5: Solve for x
    x = 173,256,034,034.32/636,833.56
  6. Step 6: Final answer
    x = 272,058.58

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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.