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Finding the Fourth Proportional to 363,433.80, 545,150.70 and 329,608.20

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Solution

The fourth proportional to 363,433.80, 545,150.70 and 329,608.20 is: 494,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,433.80 : 545,150.70 = 329,608.20 : x
  2. Step 2: Convert to fraction form
    363,433.80/545,150.70 = 329,608.20/x
  3. Step 3: Cross multiply
    363,433.80x = 545,150.70 × 329,608.20
  4. Step 4: Simplify right side
    363,433.80x = 179,686,140,955.74
  5. Step 5: Solve for x
    x = 179,686,140,955.74/363,433.80
  6. Step 6: Final answer
    x = 494,412.30

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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.