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Finding the Fourth Proportional to 363,805.17, 498,415.45 and 350,169.18

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Solution

The fourth proportional to 363,805.17, 498,415.45 and 350,169.18 is: 479,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,805.17 : 498,415.45 = 350,169.18 : x
  2. Step 2: Convert to fraction form
    363,805.17/498,415.45 = 350,169.18/x
  3. Step 3: Cross multiply
    363,805.17x = 498,415.45 × 350,169.18
  4. Step 4: Simplify right side
    363,805.17x = 174,529,729,425.83
  5. Step 5: Solve for x
    x = 174,529,729,425.83/363,805.17
  6. Step 6: Final answer
    x = 479,734.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.