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Finding the Fourth Proportional to 461,561.36, 636,911.54 and 267,917.70

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Solution

The fourth proportional to 461,561.36, 636,911.54 and 267,917.70 is: 369,701.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,561.36 : 636,911.54 = 267,917.70 : x
  2. Step 2: Convert to fraction form
    461,561.36/636,911.54 = 267,917.70/x
  3. Step 3: Cross multiply
    461,561.36x = 636,911.54 × 267,917.70
  4. Step 4: Simplify right side
    461,561.36x = 170,639,874,900.26
  5. Step 5: Solve for x
    x = 170,639,874,900.26/461,561.36
  6. Step 6: Final answer
    x = 369,701.39

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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.