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Finding the Fourth Proportional to 461,243.63, 636,532.02 and 267,636.76

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Solution

The fourth proportional to 461,243.63, 636,532.02 and 267,636.76 is: 369,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,243.63 : 636,532.02 = 267,636.76 : x
  2. Step 2: Convert to fraction form
    461,243.63/636,532.02 = 267,636.76/x
  3. Step 3: Cross multiply
    461,243.63x = 636,532.02 × 267,636.76
  4. Step 4: Simplify right side
    461,243.63x = 170,359,365,877.73
  5. Step 5: Solve for x
    x = 170,359,365,877.73/461,243.63
  6. Step 6: Final answer
    x = 369,347.90

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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.