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Finding the Fourth Proportional to 627,359.94, 940,510.91 and 272,106.41

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Solution

The fourth proportional to 627,359.94, 940,510.91 and 272,106.41 is: 407,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,359.94 : 940,510.91 = 272,106.41 : x
  2. Step 2: Convert to fraction form
    627,359.94/940,510.91 = 272,106.41/x
  3. Step 3: Cross multiply
    627,359.94x = 940,510.91 × 272,106.41
  4. Step 4: Simplify right side
    627,359.94x = 255,919,043,263.65
  5. Step 5: Solve for x
    x = 255,919,043,263.65/627,359.94
  6. Step 6: Final answer
    x = 407,930.16

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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.