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Finding the Fourth Proportional to 605,022.62, 907,386.30 and 250,138.13

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Solution

The fourth proportional to 605,022.62, 907,386.30 and 250,138.13 is: 375,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,022.62 : 907,386.30 = 250,138.13 : x
  2. Step 2: Convert to fraction form
    605,022.62/907,386.30 = 250,138.13/x
  3. Step 3: Cross multiply
    605,022.62x = 907,386.30 × 250,138.13
  4. Step 4: Simplify right side
    605,022.62x = 226,971,907,732.69
  5. Step 5: Solve for x
    x = 226,971,907,732.69/605,022.62
  6. Step 6: Final answer
    x = 375,146.16

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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.