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Finding the Fourth Proportional to 444,013.83, 612,330.12 and 290,996.28

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Solution

The fourth proportional to 444,013.83, 612,330.12 and 290,996.28 is: 401,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,013.83 : 612,330.12 = 290,996.28 : x
  2. Step 2: Convert to fraction form
    444,013.83/612,330.12 = 290,996.28/x
  3. Step 3: Cross multiply
    444,013.83x = 612,330.12 × 290,996.28
  4. Step 4: Simplify right side
    444,013.83x = 178,185,787,051.95
  5. Step 5: Solve for x
    x = 178,185,787,051.95/444,013.83
  6. Step 6: Final answer
    x = 401,306.84

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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.