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Finding the Fourth Proportional to 661,351.44, 991,716.06 and 461,897.04

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Solution

The fourth proportional to 661,351.44, 991,716.06 and 461,897.04 is: 692,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,351.44 : 991,716.06 = 461,897.04 : x
  2. Step 2: Convert to fraction form
    661,351.44/991,716.06 = 461,897.04/x
  3. Step 3: Cross multiply
    661,351.44x = 991,716.06 × 461,897.04
  4. Step 4: Simplify right side
    661,351.44x = 458,070,712,634.46
  5. Step 5: Solve for x
    x = 458,070,712,634.46/661,351.44
  6. Step 6: Final answer
    x = 692,628.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.