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Finding the Fourth Proportional to 474,833.64, 655,245.54 and 259,932.54

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Solution

The fourth proportional to 474,833.64, 655,245.54 and 259,932.54 is: 358,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,833.64 : 655,245.54 = 259,932.54 : x
  2. Step 2: Convert to fraction form
    474,833.64/655,245.54 = 259,932.54/x
  3. Step 3: Cross multiply
    474,833.64x = 655,245.54 × 259,932.54
  4. Step 4: Simplify right side
    474,833.64x = 170,319,637,535.87
  5. Step 5: Solve for x
    x = 170,319,637,535.87/474,833.64
  6. Step 6: Final answer
    x = 358,693.28

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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.