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Finding the Fourth Proportional to 347,253.54, 479,233.65 and 194,306.24

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Solution

The fourth proportional to 347,253.54, 479,233.65 and 194,306.24 is: 268,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,253.54 : 479,233.65 = 194,306.24 : x
  2. Step 2: Convert to fraction form
    347,253.54/479,233.65 = 194,306.24/x
  3. Step 3: Cross multiply
    347,253.54x = 479,233.65 × 194,306.24
  4. Step 4: Simplify right side
    347,253.54x = 93,118,086,216.81
  5. Step 5: Solve for x
    x = 93,118,086,216.81/347,253.54
  6. Step 6: Final answer
    x = 268,155.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.