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Finding the Fourth Proportional to 474,787.96, 655,207.34 and 259,927.36

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Solution

The fourth proportional to 474,787.96, 655,207.34 and 259,927.36 is: 358,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,787.96 : 655,207.34 = 259,927.36 : x
  2. Step 2: Convert to fraction form
    474,787.96/655,207.34 = 259,927.36/x
  3. Step 3: Cross multiply
    474,787.96x = 655,207.34 × 259,927.36
  4. Step 4: Simplify right side
    474,787.96x = 170,306,314,138.82
  5. Step 5: Solve for x
    x = 170,306,314,138.82/474,787.96
  6. Step 6: Final answer
    x = 358,699.73

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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.