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Finding the Fourth Proportional to 461,460.31, 636,815.35 and 254,728.82

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Solution

The fourth proportional to 461,460.31, 636,815.35 and 254,728.82 is: 351,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,460.31 : 636,815.35 = 254,728.82 : x
  2. Step 2: Convert to fraction form
    461,460.31/636,815.35 = 254,728.82/x
  3. Step 3: Cross multiply
    461,460.31x = 636,815.35 × 254,728.82
  4. Step 4: Simplify right side
    461,460.31x = 162,215,224,573.84
  5. Step 5: Solve for x
    x = 162,215,224,573.84/461,460.31
  6. Step 6: Final answer
    x = 351,525.85

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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.