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Finding the Fourth Proportional to 444,153.12, 612,932.31 and 253,161.60

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Solution

The fourth proportional to 444,153.12, 612,932.31 and 253,161.60 is: 349,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,153.12 : 612,932.31 = 253,161.60 : x
  2. Step 2: Convert to fraction form
    444,153.12/612,932.31 = 253,161.60/x
  3. Step 3: Cross multiply
    444,153.12x = 612,932.31 × 253,161.60
  4. Step 4: Simplify right side
    444,153.12x = 155,170,924,291.30
  5. Step 5: Solve for x
    x = 155,170,924,291.30/444,153.12
  6. Step 6: Final answer
    x = 349,363.58

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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.