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Finding the Fourth Proportional to 218,362.09, 327,543.29 and 60,590.70

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Solution

The fourth proportional to 218,362.09, 327,543.29 and 60,590.70 is: 90,886.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,362.09 : 327,543.29 = 60,590.70 : x
  2. Step 2: Convert to fraction form
    218,362.09/327,543.29 = 60,590.70/x
  3. Step 3: Cross multiply
    218,362.09x = 327,543.29 × 60,590.70
  4. Step 4: Simplify right side
    218,362.09x = 19,846,077,221.40
  5. Step 5: Solve for x
    x = 19,846,077,221.40/218,362.09
  6. Step 6: Final answer
    x = 90,886.09

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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.