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Finding the Fourth Proportional to 2,080,143.60, 2,918,499.60 and 2,080,143.60

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Solution

The fourth proportional to 2,080,143.60, 2,918,499.60 and 2,080,143.60 is: 2,918,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,143.60 : 2,918,499.60 = 2,080,143.60 : x
  2. Step 2: Convert to fraction form
    2,080,143.60/2,918,499.60 = 2,080,143.60/x
  3. Step 3: Cross multiply
    2,080,143.60x = 2,918,499.60 × 2,080,143.60
  4. Step 4: Simplify right side
    2,080,143.60x = 6,070,898,264,542.56
  5. Step 5: Solve for x
    x = 6,070,898,264,542.56/2,080,143.60
  6. Step 6: Final answer
    x = 2,918,499.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.