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Finding the Fourth Proportional to 475,076.85, 655,606.17 and 260,224.62

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Solution

The fourth proportional to 475,076.85, 655,606.17 and 260,224.62 is: 359,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,076.85 : 655,606.17 = 260,224.62 : x
  2. Step 2: Convert to fraction form
    475,076.85/655,606.17 = 260,224.62/x
  3. Step 3: Cross multiply
    475,076.85x = 655,606.17 × 260,224.62
  4. Step 4: Simplify right side
    475,076.85x = 170,604,863,999.38
  5. Step 5: Solve for x
    x = 170,604,863,999.38/475,076.85
  6. Step 6: Final answer
    x = 359,110.04

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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.