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Finding the Fourth Proportional to 329,251.20, 493,876.80 and 295,036.80

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Solution

The fourth proportional to 329,251.20, 493,876.80 and 295,036.80 is: 442,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,251.20 : 493,876.80 = 295,036.80 : x
  2. Step 2: Convert to fraction form
    329,251.20/493,876.80 = 295,036.80/x
  3. Step 3: Cross multiply
    329,251.20x = 493,876.80 × 295,036.80
  4. Step 4: Simplify right side
    329,251.20x = 145,711,830,666.24
  5. Step 5: Solve for x
    x = 145,711,830,666.24/329,251.20
  6. Step 6: Final answer
    x = 442,555.20

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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.