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Finding the Fourth Proportional to 461,441.56, 636,813.48 and 270,516.28

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Solution

The fourth proportional to 461,441.56, 636,813.48 and 270,516.28 is: 373,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,441.56 : 636,813.48 = 270,516.28 : x
  2. Step 2: Convert to fraction form
    461,441.56/636,813.48 = 270,516.28/x
  3. Step 3: Cross multiply
    461,441.56x = 636,813.48 × 270,516.28
  4. Step 4: Simplify right side
    461,441.56x = 172,268,413,663.45
  5. Step 5: Solve for x
    x = 172,268,413,663.45/461,441.56
  6. Step 6: Final answer
    x = 373,326.61

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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.