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Finding the Fourth Proportional to 1,317,714, 1,818,445.41 and 714,102

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Solution

The fourth proportional to 1,317,714, 1,818,445.41 and 714,102 is: 985,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,714 : 1,818,445.41 = 714,102 : x
  2. Step 2: Convert to fraction form
    1,317,714/1,818,445.41 = 714,102/x
  3. Step 3: Cross multiply
    1,317,714x = 1,818,445.41 × 714,102
  4. Step 4: Simplify right side
    1,317,714x = 1,298,555,504,171.82
  5. Step 5: Solve for x
    x = 1,298,555,504,171.82/1,317,714
  6. Step 6: Final answer
    x = 985,460.81

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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.