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Finding the Fourth Proportional to 444,129.68, 612,883.68 and 253,204.56

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Solution

The fourth proportional to 444,129.68, 612,883.68 and 253,204.56 is: 349,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,129.68 : 612,883.68 = 253,204.56 : x
  2. Step 2: Convert to fraction form
    444,129.68/612,883.68 = 253,204.56/x
  3. Step 3: Cross multiply
    444,129.68x = 612,883.68 × 253,204.56
  4. Step 4: Simplify right side
    444,129.68x = 155,184,942,525.58
  5. Step 5: Solve for x
    x = 155,184,942,525.58/444,129.68
  6. Step 6: Final answer
    x = 349,413.58

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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.