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Finding the Fourth Proportional to 554,895.48, 765,697.14 and 322,276.98

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Solution

The fourth proportional to 554,895.48, 765,697.14 and 322,276.98 is: 444,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,895.48 : 765,697.14 = 322,276.98 : x
  2. Step 2: Convert to fraction form
    554,895.48/765,697.14 = 322,276.98/x
  3. Step 3: Cross multiply
    554,895.48x = 765,697.14 × 322,276.98
  4. Step 4: Simplify right side
    554,895.48x = 246,766,561,873.84
  5. Step 5: Solve for x
    x = 246,766,561,873.84/554,895.48
  6. Step 6: Final answer
    x = 444,708.19

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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.