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Finding the Fourth Proportional to 852,610.60, 1,279,607.10 and 824,962.60

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Solution

The fourth proportional to 852,610.60, 1,279,607.10 and 824,962.60 is: 1,238,112.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,610.60 : 1,279,607.10 = 824,962.60 : x
  2. Step 2: Convert to fraction form
    852,610.60/1,279,607.10 = 824,962.60/x
  3. Step 3: Cross multiply
    852,610.60x = 1,279,607.10 × 824,962.60
  4. Step 4: Simplify right side
    852,610.60x = 1,055,628,000,194.46
  5. Step 5: Solve for x
    x = 1,055,628,000,194.46/852,610.60
  6. Step 6: Final answer
    x = 1,238,112.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.