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Finding the Fourth Proportional to 288,833.22, 398,559.16 and 159,751.19

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Solution

The fourth proportional to 288,833.22, 398,559.16 and 159,751.19 is: 220,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,833.22 : 398,559.16 = 159,751.19 : x
  2. Step 2: Convert to fraction form
    288,833.22/398,559.16 = 159,751.19/x
  3. Step 3: Cross multiply
    288,833.22x = 398,559.16 × 159,751.19
  4. Step 4: Simplify right side
    288,833.22x = 63,670,300,095.40
  5. Step 5: Solve for x
    x = 63,670,300,095.40/288,833.22
  6. Step 6: Final answer
    x = 220,439.67

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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.