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Finding the Fourth Proportional to 615,473.60, 923,614.06 and 216,104.08

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Solution

The fourth proportional to 615,473.60, 923,614.06 and 216,104.08 is: 324,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,473.60 : 923,614.06 = 216,104.08 : x
  2. Step 2: Convert to fraction form
    615,473.60/923,614.06 = 216,104.08/x
  3. Step 3: Cross multiply
    615,473.60x = 923,614.06 × 216,104.08
  4. Step 4: Simplify right side
    615,473.60x = 199,596,766,711.37
  5. Step 5: Solve for x
    x = 199,596,766,711.37/615,473.60
  6. Step 6: Final answer
    x = 324,297.85

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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.