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Finding the Fourth Proportional to 330,552, 495,630.80 and 130,901.04

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Solution

The fourth proportional to 330,552, 495,630.80 and 130,901.04 is: 196,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,552 : 495,630.80 = 130,901.04 : x
  2. Step 2: Convert to fraction form
    330,552/495,630.80 = 130,901.04/x
  3. Step 3: Cross multiply
    330,552x = 495,630.80 × 130,901.04
  4. Step 4: Simplify right side
    330,552x = 64,878,587,176.03
  5. Step 5: Solve for x
    x = 64,878,587,176.03/330,552
  6. Step 6: Final answer
    x = 196,273.47

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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.