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Finding the Fourth Proportional to 375,810.66, 518,617.62 and 206,044.92

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Solution

The fourth proportional to 375,810.66, 518,617.62 and 206,044.92 is: 284,341.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,810.66 : 518,617.62 = 206,044.92 : x
  2. Step 2: Convert to fraction form
    375,810.66/518,617.62 = 206,044.92/x
  3. Step 3: Cross multiply
    375,810.66x = 518,617.62 × 206,044.92
  4. Step 4: Simplify right side
    375,810.66x = 106,858,526,023.49
  5. Step 5: Solve for x
    x = 106,858,526,023.49/375,810.66
  6. Step 6: Final answer
    x = 284,341.39

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1.5x scale

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.