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Finding the Fourth Proportional to 288,367.04, 397,888.80 and 161,023.04

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Solution

The fourth proportional to 288,367.04, 397,888.80 and 161,023.04 is: 222,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,367.04 : 397,888.80 = 161,023.04 : x
  2. Step 2: Convert to fraction form
    288,367.04/397,888.80 = 161,023.04/x
  3. Step 3: Cross multiply
    288,367.04x = 397,888.80 × 161,023.04
  4. Step 4: Simplify right side
    288,367.04x = 64,069,264,157.95
  5. Step 5: Solve for x
    x = 64,069,264,157.95/288,367.04
  6. Step 6: Final answer
    x = 222,179.57

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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.