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Finding the Fourth Proportional to 474,665.54, 655,037.36 and 259,803.73

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Solution

The fourth proportional to 474,665.54, 655,037.36 and 259,803.73 is: 358,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,665.54 : 655,037.36 = 259,803.73 : x
  2. Step 2: Convert to fraction form
    474,665.54/655,037.36 = 259,803.73/x
  3. Step 3: Cross multiply
    474,665.54x = 655,037.36 × 259,803.73
  4. Step 4: Simplify right side
    474,665.54x = 170,181,149,417.35
  5. Step 5: Solve for x
    x = 170,181,149,417.35/474,665.54
  6. Step 6: Final answer
    x = 358,528.55

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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.