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Finding the Fourth Proportional to 444,729.16, 613,726.50 and 243,525.16

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Solution

The fourth proportional to 444,729.16, 613,726.50 and 243,525.16 is: 336,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,729.16 : 613,726.50 = 243,525.16 : x
  2. Step 2: Convert to fraction form
    444,729.16/613,726.50 = 243,525.16/x
  3. Step 3: Cross multiply
    444,729.16x = 613,726.50 × 243,525.16
  4. Step 4: Simplify right side
    444,729.16x = 149,457,844,108.74
  5. Step 5: Solve for x
    x = 149,457,844,108.74/444,729.16
  6. Step 6: Final answer
    x = 336,064.86

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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.