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Finding the Fourth Proportional to 292,365.75, 403,464.96 and 158,229.75

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Solution

The fourth proportional to 292,365.75, 403,464.96 and 158,229.75 is: 218,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,365.75 : 403,464.96 = 158,229.75 : x
  2. Step 2: Convert to fraction form
    292,365.75/403,464.96 = 158,229.75/x
  3. Step 3: Cross multiply
    292,365.75x = 403,464.96 × 158,229.75
  4. Step 4: Simplify right side
    292,365.75x = 63,840,159,754.56
  5. Step 5: Solve for x
    x = 63,840,159,754.56/292,365.75
  6. Step 6: Final answer
    x = 218,357.18

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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.