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Finding the Fourth Proportional to 611,708.78, 844,250.09 and 440,194.52

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Solution

The fourth proportional to 611,708.78, 844,250.09 and 440,194.52 is: 607,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,708.78 : 844,250.09 = 440,194.52 : x
  2. Step 2: Convert to fraction form
    611,708.78/844,250.09 = 440,194.52/x
  3. Step 3: Cross multiply
    611,708.78x = 844,250.09 × 440,194.52
  4. Step 4: Simplify right side
    611,708.78x = 371,634,263,127.51
  5. Step 5: Solve for x
    x = 371,634,263,127.51/611,708.78
  6. Step 6: Final answer
    x = 607,534.62

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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.