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Finding the Fourth Proportional to 615,733.80, 923,687.10 and 194,965.80

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Solution

The fourth proportional to 615,733.80, 923,687.10 and 194,965.80 is: 292,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,733.80 : 923,687.10 = 194,965.80 : x
  2. Step 2: Convert to fraction form
    615,733.80/923,687.10 = 194,965.80/x
  3. Step 3: Cross multiply
    615,733.80x = 923,687.10 × 194,965.80
  4. Step 4: Simplify right side
    615,733.80x = 180,087,394,401.18
  5. Step 5: Solve for x
    x = 180,087,394,401.18/615,733.80
  6. Step 6: Final answer
    x = 292,476.06

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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.