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Finding the Fourth Proportional to 444,729.66, 613,727.19 and 243,525.66

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Solution

The fourth proportional to 444,729.66, 613,727.19 and 243,525.66 is: 336,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,729.66 : 613,727.19 = 243,525.66 : x
  2. Step 2: Convert to fraction form
    444,729.66/613,727.19 = 243,525.66/x
  3. Step 3: Cross multiply
    444,729.66x = 613,727.19 × 243,525.66
  4. Step 4: Simplify right side
    444,729.66x = 149,458,319,004.70
  5. Step 5: Solve for x
    x = 149,458,319,004.70/444,729.66
  6. Step 6: Final answer
    x = 336,065.55

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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.