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Finding the Fourth Proportional to 397,326.15, 596,363.80 and 144,850.67

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Solution

The fourth proportional to 397,326.15, 596,363.80 and 144,850.67 is: 217,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,326.15 : 596,363.80 = 144,850.67 : x
  2. Step 2: Convert to fraction form
    397,326.15/596,363.80 = 144,850.67/x
  3. Step 3: Cross multiply
    397,326.15x = 596,363.80 × 144,850.67
  4. Step 4: Simplify right side
    397,326.15x = 86,383,694,140.71
  5. Step 5: Solve for x
    x = 86,383,694,140.71/397,326.15
  6. Step 6: Final answer
    x = 217,412.56

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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.