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Finding the Fourth Proportional to 462,801.44, 693,081.48 and 320,247.08

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Solution

The fourth proportional to 462,801.44, 693,081.48 and 320,247.08 is: 479,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,801.44 : 693,081.48 = 320,247.08 : x
  2. Step 2: Convert to fraction form
    462,801.44/693,081.48 = 320,247.08/x
  3. Step 3: Cross multiply
    462,801.44x = 693,081.48 × 320,247.08
  4. Step 4: Simplify right side
    462,801.44x = 221,957,320,172.08
  5. Step 5: Solve for x
    x = 221,957,320,172.08/462,801.44
  6. Step 6: Final answer
    x = 479,595.14

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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.