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Finding the Fourth Proportional to 347,352, 479,365.92 and 194,388.88

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Solution

The fourth proportional to 347,352, 479,365.92 and 194,388.88 is: 268,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,352 : 479,365.92 = 194,388.88 : x
  2. Step 2: Convert to fraction form
    347,352/479,365.92 = 194,388.88/x
  3. Step 3: Cross multiply
    347,352x = 479,365.92 × 194,388.88
  4. Step 4: Simplify right side
    347,352x = 93,183,404,298.97
  5. Step 5: Solve for x
    x = 93,183,404,298.97/347,352
  6. Step 6: Final answer
    x = 268,267.94

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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.