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Finding the Fourth Proportional to 389,334.65, 584,079.80 and 164,694.11

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Solution

The fourth proportional to 389,334.65, 584,079.80 and 164,694.11 is: 247,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,334.65 : 584,079.80 = 164,694.11 : x
  2. Step 2: Convert to fraction form
    389,334.65/584,079.80 = 164,694.11/x
  3. Step 3: Cross multiply
    389,334.65x = 584,079.80 × 164,694.11
  4. Step 4: Simplify right side
    389,334.65x = 96,194,499,086.11
  5. Step 5: Solve for x
    x = 96,194,499,086.11/389,334.65
  6. Step 6: Final answer
    x = 247,074.08

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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.