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Finding the Fourth Proportional to 968,601.89, 1,336,114 and 605,395.41

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Solution

The fourth proportional to 968,601.89, 1,336,114 and 605,395.41 is: 835,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,601.89 : 1,336,114 = 605,395.41 : x
  2. Step 2: Convert to fraction form
    968,601.89/1,336,114 = 605,395.41/x
  3. Step 3: Cross multiply
    968,601.89x = 1,336,114 × 605,395.41
  4. Step 4: Simplify right side
    968,601.89x = 808,877,282,836.74
  5. Step 5: Solve for x
    x = 808,877,282,836.74/968,601.89
  6. Step 6: Final answer
    x = 835,097.77

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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.