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Finding the Fourth Proportional to 461,521.96, 636,900.24 and 254,790.34

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Solution

The fourth proportional to 461,521.96, 636,900.24 and 254,790.34 is: 351,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,521.96 : 636,900.24 = 254,790.34 : x
  2. Step 2: Convert to fraction form
    461,521.96/636,900.24 = 254,790.34/x
  3. Step 3: Cross multiply
    461,521.96x = 636,900.24 × 254,790.34
  4. Step 4: Simplify right side
    461,521.96x = 162,276,028,695.68
  5. Step 5: Solve for x
    x = 162,276,028,695.68/461,521.96
  6. Step 6: Final answer
    x = 351,610.63

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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.