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Finding the Fourth Proportional to 882,207.60, 1,323,311.40 and 800,851.20

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Solution

The fourth proportional to 882,207.60, 1,323,311.40 and 800,851.20 is: 1,201,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,207.60 : 1,323,311.40 = 800,851.20 : x
  2. Step 2: Convert to fraction form
    882,207.60/1,323,311.40 = 800,851.20/x
  3. Step 3: Cross multiply
    882,207.60x = 1,323,311.40 × 800,851.20
  4. Step 4: Simplify right side
    882,207.60x = 1,059,775,522,663.68
  5. Step 5: Solve for x
    x = 1,059,775,522,663.68/882,207.60
  6. Step 6: Final answer
    x = 1,201,276.80

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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.