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Finding the Fourth Proportional to 363,170.48, 500,970.46 and 217,939.08

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Solution

The fourth proportional to 363,170.48, 500,970.46 and 217,939.08 is: 300,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,170.48 : 500,970.46 = 217,939.08 : x
  2. Step 2: Convert to fraction form
    363,170.48/500,970.46 = 217,939.08/x
  3. Step 3: Cross multiply
    363,170.48x = 500,970.46 × 217,939.08
  4. Step 4: Simplify right side
    363,170.48x = 109,181,041,159.58
  5. Step 5: Solve for x
    x = 109,181,041,159.58/363,170.48
  6. Step 6: Final answer
    x = 300,633.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.