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Finding the Fourth Proportional to 1,344,525, 1,855,444.50 and 740,913

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Solution

The fourth proportional to 1,344,525, 1,855,444.50 and 740,913 is: 1,022,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,525 : 1,855,444.50 = 740,913 : x
  2. Step 2: Convert to fraction form
    1,344,525/1,855,444.50 = 740,913/x
  3. Step 3: Cross multiply
    1,344,525x = 1,855,444.50 × 740,913
  4. Step 4: Simplify right side
    1,344,525x = 1,374,722,950,828.50
  5. Step 5: Solve for x
    x = 1,374,722,950,828.50/1,344,525
  6. Step 6: Final answer
    x = 1,022,459.94

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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.