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Finding the Fourth Proportional to 1,344,424, 1,855,344 and 740,850.88

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Solution

The fourth proportional to 1,344,424, 1,855,344 and 740,850.88 is: 1,022,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,424 : 1,855,344 = 740,850.88 : x
  2. Step 2: Convert to fraction form
    1,344,424/1,855,344 = 740,850.88/x
  3. Step 3: Cross multiply
    1,344,424x = 1,855,344 × 740,850.88
  4. Step 4: Simplify right side
    1,344,424x = 1,374,533,235,102.72
  5. Step 5: Solve for x
    x = 1,374,533,235,102.72/1,344,424
  6. Step 6: Final answer
    x = 1,022,395.64

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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.