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Finding the Fourth Proportional to 330,132.84, 495,009.36 and 176,068.78

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Solution

The fourth proportional to 330,132.84, 495,009.36 and 176,068.78 is: 264,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,132.84 : 495,009.36 = 176,068.78 : x
  2. Step 2: Convert to fraction form
    330,132.84/495,009.36 = 176,068.78/x
  3. Step 3: Cross multiply
    330,132.84x = 495,009.36 × 176,068.78
  4. Step 4: Simplify right side
    330,132.84x = 87,155,694,103.78
  5. Step 5: Solve for x
    x = 87,155,694,103.78/330,132.84
  6. Step 6: Final answer
    x = 264,001.89

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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.