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Finding the Fourth Proportional to 474,776.22, 655,191.15 and 259,916.28

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Solution

The fourth proportional to 474,776.22, 655,191.15 and 259,916.28 is: 358,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,776.22 : 655,191.15 = 259,916.28 : x
  2. Step 2: Convert to fraction form
    474,776.22/655,191.15 = 259,916.28/x
  3. Step 3: Cross multiply
    474,776.22x = 655,191.15 × 259,916.28
  4. Step 4: Simplify right side
    474,776.22x = 170,294,846,396.92
  5. Step 5: Solve for x
    x = 170,294,846,396.92/474,776.22
  6. Step 6: Final answer
    x = 358,684.45

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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.