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Finding the Fourth Proportional to 475,079.23, 655,609.51 and 260,222.88

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Solution

The fourth proportional to 475,079.23, 655,609.51 and 260,222.88 is: 359,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,079.23 : 655,609.51 = 260,222.88 : x
  2. Step 2: Convert to fraction form
    475,079.23/655,609.51 = 260,222.88/x
  3. Step 3: Cross multiply
    475,079.23x = 655,609.51 × 260,222.88
  4. Step 4: Simplify right side
    475,079.23x = 170,604,594,847.59
  5. Step 5: Solve for x
    x = 170,604,594,847.59/475,079.23
  6. Step 6: Final answer
    x = 359,107.67

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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.