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Finding the Fourth Proportional to 324,998.67, 448,484.88 and 189,036.51

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Solution

The fourth proportional to 324,998.67, 448,484.88 and 189,036.51 is: 260,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,998.67 : 448,484.88 = 189,036.51 : x
  2. Step 2: Convert to fraction form
    324,998.67/448,484.88 = 189,036.51/x
  3. Step 3: Cross multiply
    324,998.67x = 448,484.88 × 189,036.51
  4. Step 4: Simplify right side
    324,998.67x = 84,780,016,502.97
  5. Step 5: Solve for x
    x = 84,780,016,502.97/324,998.67
  6. Step 6: Final answer
    x = 260,862.66

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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.