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Finding the Fourth Proportional to 444,333.33, 612,930.78 and 272,334.69

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Solution

The fourth proportional to 444,333.33, 612,930.78 and 272,334.69 is: 375,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,333.33 : 612,930.78 = 272,334.69 : x
  2. Step 2: Convert to fraction form
    444,333.33/612,930.78 = 272,334.69/x
  3. Step 3: Cross multiply
    444,333.33x = 612,930.78 × 272,334.69
  4. Step 4: Simplify right side
    444,333.33x = 166,922,313,962.76
  5. Step 5: Solve for x
    x = 166,922,313,962.76/444,333.33
  6. Step 6: Final answer
    x = 375,669.13

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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.