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Finding the Fourth Proportional to 508,003.25, 761,471.48 and 170,926.89

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Solution

The fourth proportional to 508,003.25, 761,471.48 and 170,926.89 is: 256,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,003.25 : 761,471.48 = 170,926.89 : x
  2. Step 2: Convert to fraction form
    508,003.25/761,471.48 = 170,926.89/x
  3. Step 3: Cross multiply
    508,003.25x = 761,471.48 × 170,926.89
  4. Step 4: Simplify right side
    508,003.25x = 130,155,951,045.46
  5. Step 5: Solve for x
    x = 130,155,951,045.46/508,003.25
  6. Step 6: Final answer
    x = 256,210.86

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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.