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Finding the Fourth Proportional to 475,126.79, 655,676.85 and 260,268.35

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Solution

The fourth proportional to 475,126.79, 655,676.85 and 260,268.35 is: 359,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,126.79 : 655,676.85 = 260,268.35 : x
  2. Step 2: Convert to fraction form
    475,126.79/655,676.85 = 260,268.35/x
  3. Step 3: Cross multiply
    475,126.79x = 655,676.85 × 260,268.35
  4. Step 4: Simplify right side
    475,126.79x = 170,651,928,604.31
  5. Step 5: Solve for x
    x = 170,651,928,604.31/475,126.79
  6. Step 6: Final answer
    x = 359,171.35

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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.