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Finding the Fourth Proportional to 324,689.90, 448,073.72 and 181,452.33

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Solution

The fourth proportional to 324,689.90, 448,073.72 and 181,452.33 is: 250,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,689.90 : 448,073.72 = 181,452.33 : x
  2. Step 2: Convert to fraction form
    324,689.90/448,073.72 = 181,452.33/x
  3. Step 3: Cross multiply
    324,689.90x = 448,073.72 × 181,452.33
  4. Step 4: Simplify right side
    324,689.90x = 81,304,019,598.51
  5. Step 5: Solve for x
    x = 81,304,019,598.51/324,689.90
  6. Step 6: Final answer
    x = 250,405.14

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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.