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Finding the Fourth Proportional to 444,287.04, 612,866.88 and 272,288.31

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Solution

The fourth proportional to 444,287.04, 612,866.88 and 272,288.31 is: 375,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,287.04 : 612,866.88 = 272,288.31 : x
  2. Step 2: Convert to fraction form
    444,287.04/612,866.88 = 272,288.31/x
  3. Step 3: Cross multiply
    444,287.04x = 612,866.88 × 272,288.31
  4. Step 4: Simplify right side
    444,287.04x = 166,876,487,010.17
  5. Step 5: Solve for x
    x = 166,876,487,010.17/444,287.04
  6. Step 6: Final answer
    x = 375,605.12

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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.