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Finding the Fourth Proportional to 288,069.77, 397,536.72 and 160,745.74

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Solution

The fourth proportional to 288,069.77, 397,536.72 and 160,745.74 is: 221,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,069.77 : 397,536.72 = 160,745.74 : x
  2. Step 2: Convert to fraction form
    288,069.77/397,536.72 = 160,745.74/x
  3. Step 3: Cross multiply
    288,069.77x = 397,536.72 × 160,745.74
  4. Step 4: Simplify right side
    288,069.77x = 63,902,334,233.57
  5. Step 5: Solve for x
    x = 63,902,334,233.57/288,069.77
  6. Step 6: Final answer
    x = 221,829.37

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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.