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Finding the Fourth Proportional to 444,242.95, 666,435.50 and 144,700.49

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Solution

The fourth proportional to 444,242.95, 666,435.50 and 144,700.49 is: 217,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,242.95 : 666,435.50 = 144,700.49 : x
  2. Step 2: Convert to fraction form
    444,242.95/666,435.50 = 144,700.49/x
  3. Step 3: Cross multiply
    444,242.95x = 666,435.50 × 144,700.49
  4. Step 4: Simplify right side
    444,242.95x = 96,433,544,888.61
  5. Step 5: Solve for x
    x = 96,433,544,888.61/444,242.95
  6. Step 6: Final answer
    x = 217,073.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.