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Finding the Fourth Proportional to 615,812, 923,744.88 and 195,118.88

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Solution

The fourth proportional to 615,812, 923,744.88 and 195,118.88 is: 292,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,812 : 923,744.88 = 195,118.88 : x
  2. Step 2: Convert to fraction form
    615,812/923,744.88 = 195,118.88/x
  3. Step 3: Cross multiply
    615,812x = 923,744.88 × 195,118.88
  4. Step 4: Simplify right side
    615,812x = 180,240,066,391.33
  5. Step 5: Solve for x
    x = 180,240,066,391.33/615,812
  6. Step 6: Final answer
    x = 292,686.84

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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.