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Finding the Fourth Proportional to 347,304.58, 479,264 and 194,362.20

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Solution

The fourth proportional to 347,304.58, 479,264 and 194,362.20 is: 268,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,304.58 : 479,264 = 194,362.20 : x
  2. Step 2: Convert to fraction form
    347,304.58/479,264 = 194,362.20/x
  3. Step 3: Cross multiply
    347,304.58x = 479,264 × 194,362.20
  4. Step 4: Simplify right side
    347,304.58x = 93,150,805,420.80
  5. Step 5: Solve for x
    x = 93,150,805,420.80/347,304.58
  6. Step 6: Final answer
    x = 268,210.70

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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.