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Finding the Fourth Proportional to 460,944.04, 636,144.54 and 279,701.89

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Solution

The fourth proportional to 460,944.04, 636,144.54 and 279,701.89 is: 386,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,944.04 : 636,144.54 = 279,701.89 : x
  2. Step 2: Convert to fraction form
    460,944.04/636,144.54 = 279,701.89/x
  3. Step 3: Cross multiply
    460,944.04x = 636,144.54 × 279,701.89
  4. Step 4: Simplify right side
    460,944.04x = 177,930,830,151.18
  5. Step 5: Solve for x
    x = 177,930,830,151.18/460,944.04
  6. Step 6: Final answer
    x = 386,013.95

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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.