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Finding the Fourth Proportional to 474,780.96, 655,197.68 and 259,920.36

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Solution

The fourth proportional to 474,780.96, 655,197.68 and 259,920.36 is: 358,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,780.96 : 655,197.68 = 259,920.36 : x
  2. Step 2: Convert to fraction form
    474,780.96/655,197.68 = 259,920.36/x
  3. Step 3: Cross multiply
    474,780.96x = 655,197.68 × 259,920.36
  4. Step 4: Simplify right side
    474,780.96x = 170,299,216,856.77
  5. Step 5: Solve for x
    x = 170,299,216,856.77/474,780.96
  6. Step 6: Final answer
    x = 358,690.07

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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.