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Finding the Fourth Proportional to 260,879.04, 360,002.80 and 147,701.80

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Solution

The fourth proportional to 260,879.04, 360,002.80 and 147,701.80 is: 203,822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,879.04 : 360,002.80 = 147,701.80 : x
  2. Step 2: Convert to fraction form
    260,879.04/360,002.80 = 147,701.80/x
  3. Step 3: Cross multiply
    260,879.04x = 360,002.80 × 147,701.80
  4. Step 4: Simplify right side
    260,879.04x = 53,173,061,565.04
  5. Step 5: Solve for x
    x = 53,173,061,565.04/260,879.04
  6. Step 6: Final answer
    x = 203,822.67

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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.