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Finding the Fourth Proportional to 474,797.60, 655,228.50 and 259,934.12

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Solution

The fourth proportional to 474,797.60, 655,228.50 and 259,934.12 is: 358,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,797.60 : 655,228.50 = 259,934.12 : x
  2. Step 2: Convert to fraction form
    474,797.60/655,228.50 = 259,934.12/x
  3. Step 3: Cross multiply
    474,797.60x = 655,228.50 × 259,934.12
  4. Step 4: Simplify right side
    474,797.60x = 170,316,243,546.42
  5. Step 5: Solve for x
    x = 170,316,243,546.42/474,797.60
  6. Step 6: Final answer
    x = 358,713.36

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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.