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Finding the Fourth Proportional to 363,011.60, 544,711.80 and 163,362.80

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Solution

The fourth proportional to 363,011.60, 544,711.80 and 163,362.80 is: 245,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,011.60 : 544,711.80 = 163,362.80 : x
  2. Step 2: Convert to fraction form
    363,011.60/544,711.80 = 163,362.80/x
  3. Step 3: Cross multiply
    363,011.60x = 544,711.80 × 163,362.80
  4. Step 4: Simplify right side
    363,011.60x = 88,985,644,841.04
  5. Step 5: Solve for x
    x = 88,985,644,841.04/363,011.60
  6. Step 6: Final answer
    x = 245,131.68

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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.