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Finding the Fourth Proportional to 2,286,924, 3,430,386 and 957,228

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Solution

The fourth proportional to 2,286,924, 3,430,386 and 957,228 is: 1,435,842

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286,924 : 3,430,386 = 957,228 : x
  2. Step 2: Convert to fraction form
    2,286,924/3,430,386 = 957,228/x
  3. Step 3: Cross multiply
    2,286,924x = 3,430,386 × 957,228
  4. Step 4: Simplify right side
    2,286,924x = 3,283,661,530,008
  5. Step 5: Solve for x
    x = 3,283,661,530,008/2,286,924
  6. Step 6: Final answer
    x = 1,435,842

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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.