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Finding the Fourth Proportional to 366,979.51, 506,391.24 and 205,801.39

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Solution

The fourth proportional to 366,979.51, 506,391.24 and 205,801.39 is: 283,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,979.51 : 506,391.24 = 205,801.39 : x
  2. Step 2: Convert to fraction form
    366,979.51/506,391.24 = 205,801.39/x
  3. Step 3: Cross multiply
    366,979.51x = 506,391.24 × 205,801.39
  4. Step 4: Simplify right side
    366,979.51x = 104,216,021,075.82
  5. Step 5: Solve for x
    x = 104,216,021,075.82/366,979.51
  6. Step 6: Final answer
    x = 283,983.21

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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.