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Finding the Fourth Proportional to 615,512.30, 923,354.85 and 194,744.30

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Solution

The fourth proportional to 615,512.30, 923,354.85 and 194,744.30 is: 292,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,512.30 : 923,354.85 = 194,744.30 : x
  2. Step 2: Convert to fraction form
    615,512.30/923,354.85 = 194,744.30/x
  3. Step 3: Cross multiply
    615,512.30x = 923,354.85 × 194,744.30
  4. Step 4: Simplify right side
    615,512.30x = 179,818,093,914.86
  5. Step 5: Solve for x
    x = 179,818,093,914.86/615,512.30
  6. Step 6: Final answer
    x = 292,143.79

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1.5x scale

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.