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Finding the Fourth Proportional to 2,298,328, 3,447,492 and 722,392

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Solution

The fourth proportional to 2,298,328, 3,447,492 and 722,392 is: 1,083,588

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298,328 : 3,447,492 = 722,392 : x
  2. Step 2: Convert to fraction form
    2,298,328/3,447,492 = 722,392/x
  3. Step 3: Cross multiply
    2,298,328x = 3,447,492 × 722,392
  4. Step 4: Simplify right side
    2,298,328x = 2,490,440,640,864
  5. Step 5: Solve for x
    x = 2,490,440,640,864/2,298,328
  6. Step 6: Final answer
    x = 1,083,588

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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.