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Finding the Fourth Proportional to 690,067.94, 952,226.95 and 508,877.42

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Solution

The fourth proportional to 690,067.94, 952,226.95 and 508,877.42 is: 702,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,067.94 : 952,226.95 = 508,877.42 : x
  2. Step 2: Convert to fraction form
    690,067.94/952,226.95 = 508,877.42/x
  3. Step 3: Cross multiply
    690,067.94x = 952,226.95 × 508,877.42
  4. Step 4: Simplify right side
    690,067.94x = 484,566,793,570.47
  5. Step 5: Solve for x
    x = 484,566,793,570.47/690,067.94
  6. Step 6: Final answer
    x = 702,201.57

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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.