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Finding the Fourth Proportional to 281,901, 389,227.56 and 181,473.96

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Solution

The fourth proportional to 281,901, 389,227.56 and 181,473.96 is: 250,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,901 : 389,227.56 = 181,473.96 : x
  2. Step 2: Convert to fraction form
    281,901/389,227.56 = 181,473.96/x
  3. Step 3: Cross multiply
    281,901x = 389,227.56 × 181,473.96
  4. Step 4: Simplify right side
    281,901x = 70,634,666,654.34
  5. Step 5: Solve for x
    x = 70,634,666,654.34/281,901
  6. Step 6: Final answer
    x = 250,565.51

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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.