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Finding the Fourth Proportional to 375,572.36, 518,007.14 and 260,851.16

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Solution

The fourth proportional to 375,572.36, 518,007.14 and 260,851.16 is: 359,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,572.36 : 518,007.14 = 260,851.16 : x
  2. Step 2: Convert to fraction form
    375,572.36/518,007.14 = 260,851.16/x
  3. Step 3: Cross multiply
    375,572.36x = 518,007.14 × 260,851.16
  4. Step 4: Simplify right side
    375,572.36x = 135,122,760,767.25
  5. Step 5: Solve for x
    x = 135,122,760,767.25/375,572.36
  6. Step 6: Final answer
    x = 359,778.23

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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.