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Finding the Fourth Proportional to 852,796.56, 1,176,861 and 470,824.08

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Solution

The fourth proportional to 852,796.56, 1,176,861 and 470,824.08 is: 649,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,796.56 : 1,176,861 = 470,824.08 : x
  2. Step 2: Convert to fraction form
    852,796.56/1,176,861 = 470,824.08/x
  3. Step 3: Cross multiply
    852,796.56x = 1,176,861 × 470,824.08
  4. Step 4: Simplify right side
    852,796.56x = 554,094,497,612.88
  5. Step 5: Solve for x
    x = 554,094,497,612.88/852,796.56
  6. Step 6: Final answer
    x = 649,738.20

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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.