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Finding the Fourth Proportional to 288,086.64, 397,558.98 and 160,754.64

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Solution

The fourth proportional to 288,086.64, 397,558.98 and 160,754.64 is: 221,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,086.64 : 397,558.98 = 160,754.64 : x
  2. Step 2: Convert to fraction form
    288,086.64/397,558.98 = 160,754.64/x
  3. Step 3: Cross multiply
    288,086.64x = 397,558.98 × 160,754.64
  4. Step 4: Simplify right side
    288,086.64x = 63,909,450,708.67
  5. Step 5: Solve for x
    x = 63,909,450,708.67/288,086.64
  6. Step 6: Final answer
    x = 221,841.08

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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.