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Finding the Fourth Proportional to 324,787.80, 448,205.58 and 181,547.40

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Solution

The fourth proportional to 324,787.80, 448,205.58 and 181,547.40 is: 250,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,787.80 : 448,205.58 = 181,547.40 : x
  2. Step 2: Convert to fraction form
    324,787.80/448,205.58 = 181,547.40/x
  3. Step 3: Cross multiply
    324,787.80x = 448,205.58 × 181,547.40
  4. Step 4: Simplify right side
    324,787.80x = 81,370,557,714.49
  5. Step 5: Solve for x
    x = 81,370,557,714.49/324,787.80
  6. Step 6: Final answer
    x = 250,534.53

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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.