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Finding the Fourth Proportional to 615,850.65, 923,675.52 and 216,398.16

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Solution

The fourth proportional to 615,850.65, 923,675.52 and 216,398.16 is: 324,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,850.65 : 923,675.52 = 216,398.16 : x
  2. Step 2: Convert to fraction form
    615,850.65/923,675.52 = 216,398.16/x
  3. Step 3: Cross multiply
    615,850.65x = 923,675.52 × 216,398.16
  4. Step 4: Simplify right side
    615,850.65x = 199,881,682,965.04
  5. Step 5: Solve for x
    x = 199,881,682,965.04/615,850.65
  6. Step 6: Final answer
    x = 324,561.94

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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.