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Finding the Fourth Proportional to 560,693.92, 773,974.56 and 334,356.16

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Solution

The fourth proportional to 560,693.92, 773,974.56 and 334,356.16 is: 461,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,693.92 : 773,974.56 = 334,356.16 : x
  2. Step 2: Convert to fraction form
    560,693.92/773,974.56 = 334,356.16/x
  3. Step 3: Cross multiply
    560,693.92x = 773,974.56 × 334,356.16
  4. Step 4: Simplify right side
    560,693.92x = 258,783,161,819.29
  5. Step 5: Solve for x
    x = 258,783,161,819.29/560,693.92
  6. Step 6: Final answer
    x = 461,540.87

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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.