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Finding the Fourth Proportional to 378,522.41, 567,696.06 and 112,218.71

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Solution

The fourth proportional to 378,522.41, 567,696.06 and 112,218.71 is: 168,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,522.41 : 567,696.06 = 112,218.71 : x
  2. Step 2: Convert to fraction form
    378,522.41/567,696.06 = 112,218.71/x
  3. Step 3: Cross multiply
    378,522.41x = 567,696.06 × 112,218.71
  4. Step 4: Simplify right side
    378,522.41x = 63,706,116,686.80
  5. Step 5: Solve for x
    x = 63,706,116,686.80/378,522.41
  6. Step 6: Final answer
    x = 168,302.10

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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.