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Finding the Fourth Proportional to 329,552.10, 495,385.20 and 306,151.20

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Solution

The fourth proportional to 329,552.10, 495,385.20 and 306,151.20 is: 460,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,552.10 : 495,385.20 = 306,151.20 : x
  2. Step 2: Convert to fraction form
    329,552.10/495,385.20 = 306,151.20/x
  3. Step 3: Cross multiply
    329,552.10x = 495,385.20 × 306,151.20
  4. Step 4: Simplify right side
    329,552.10x = 151,662,773,442.24
  5. Step 5: Solve for x
    x = 151,662,773,442.24/329,552.10
  6. Step 6: Final answer
    x = 460,208.79

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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.