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Finding the Fourth Proportional to 442,955.80, 664,239.30 and 176,627.80

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Solution

The fourth proportional to 442,955.80, 664,239.30 and 176,627.80 is: 264,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,955.80 : 664,239.30 = 176,627.80 : x
  2. Step 2: Convert to fraction form
    442,955.80/664,239.30 = 176,627.80/x
  3. Step 3: Cross multiply
    442,955.80x = 664,239.30 × 176,627.80
  4. Step 4: Simplify right side
    442,955.80x = 117,323,126,232.54
  5. Step 5: Solve for x
    x = 117,323,126,232.54/442,955.80
  6. Step 6: Final answer
    x = 264,864.18

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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.