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Finding the Fourth Proportional to 625,899.84, 938,434.92 and 226,488.63

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Solution

The fourth proportional to 625,899.84, 938,434.92 and 226,488.63 is: 339,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,899.84 : 938,434.92 = 226,488.63 : x
  2. Step 2: Convert to fraction form
    625,899.84/938,434.92 = 226,488.63/x
  3. Step 3: Cross multiply
    625,899.84x = 938,434.92 × 226,488.63
  4. Step 4: Simplify right side
    625,899.84x = 212,544,839,374.96
  5. Step 5: Solve for x
    x = 212,544,839,374.96/625,899.84
  6. Step 6: Final answer
    x = 339,582.83

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1.5x scale

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.