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Finding the Fourth Proportional to 369,686.52, 510,047.84 and 206,316.71

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Solution

The fourth proportional to 369,686.52, 510,047.84 and 206,316.71 is: 284,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,686.52 : 510,047.84 = 206,316.71 : x
  2. Step 2: Convert to fraction form
    369,686.52/510,047.84 = 206,316.71/x
  3. Step 3: Cross multiply
    369,686.52x = 510,047.84 × 206,316.71
  4. Step 4: Simplify right side
    369,686.52x = 105,231,388,709.58
  5. Step 5: Solve for x
    x = 105,231,388,709.58/369,686.52
  6. Step 6: Final answer
    x = 284,650.33

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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.