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Finding the Fourth Proportional to 636,894.30, 955,351.02 and 163,569.18

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Solution

The fourth proportional to 636,894.30, 955,351.02 and 163,569.18 is: 245,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,894.30 : 955,351.02 = 163,569.18 : x
  2. Step 2: Convert to fraction form
    636,894.30/955,351.02 = 163,569.18/x
  3. Step 3: Cross multiply
    636,894.30x = 955,351.02 × 163,569.18
  4. Step 4: Simplify right side
    636,894.30x = 156,265,982,953.56
  5. Step 5: Solve for x
    x = 156,265,982,953.56/636,894.30
  6. Step 6: Final answer
    x = 245,356.23

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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.