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Finding the Fourth Proportional to 448,167.04, 672,354.24 and 198,868.48

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Solution

The fourth proportional to 448,167.04, 672,354.24 and 198,868.48 is: 298,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,167.04 : 672,354.24 = 198,868.48 : x
  2. Step 2: Convert to fraction form
    448,167.04/672,354.24 = 198,868.48/x
  3. Step 3: Cross multiply
    448,167.04x = 672,354.24 × 198,868.48
  4. Step 4: Simplify right side
    448,167.04x = 133,710,065,730.36
  5. Step 5: Solve for x
    x = 133,710,065,730.36/448,167.04
  6. Step 6: Final answer
    x = 298,348.73

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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.