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Finding the Fourth Proportional to 922,791.74, 1,273,422.67 and 503,671.42

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Solution

The fourth proportional to 922,791.74, 1,273,422.67 and 503,671.42 is: 695,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,791.74 : 1,273,422.67 = 503,671.42 : x
  2. Step 2: Convert to fraction form
    922,791.74/1,273,422.67 = 503,671.42/x
  3. Step 3: Cross multiply
    922,791.74x = 1,273,422.67 × 503,671.42
  4. Step 4: Simplify right side
    922,791.74x = 641,386,597,628.69
  5. Step 5: Solve for x
    x = 641,386,597,628.69/922,791.74
  6. Step 6: Final answer
    x = 695,050.21

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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.