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Finding the Fourth Proportional to 625,925.84, 938,653.05 and 226,467.86

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Solution

The fourth proportional to 625,925.84, 938,653.05 and 226,467.86 is: 339,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,925.84 : 938,653.05 = 226,467.86 : x
  2. Step 2: Convert to fraction form
    625,925.84/938,653.05 = 226,467.86/x
  3. Step 3: Cross multiply
    625,925.84x = 938,653.05 × 226,467.86
  4. Step 4: Simplify right side
    625,925.84x = 212,574,747,515.97
  5. Step 5: Solve for x
    x = 212,574,747,515.97/625,925.84
  6. Step 6: Final answer
    x = 339,616.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.