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Finding the Fourth Proportional to 329,793.30, 494,689.95 and 130,047.30

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Solution

The fourth proportional to 329,793.30, 494,689.95 and 130,047.30 is: 195,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,793.30 : 494,689.95 = 130,047.30 : x
  2. Step 2: Convert to fraction form
    329,793.30/494,689.95 = 130,047.30/x
  3. Step 3: Cross multiply
    329,793.30x = 494,689.95 × 130,047.30
  4. Step 4: Simplify right side
    329,793.30x = 64,333,092,334.64
  5. Step 5: Solve for x
    x = 64,333,092,334.64/329,793.30
  6. Step 6: Final answer
    x = 195,070.95

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1.5x scale

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.