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Finding the Fourth Proportional to 5,600,416, 8,400,624 and 1,611,328

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Solution

The fourth proportional to 5,600,416, 8,400,624 and 1,611,328 is: 2,416,992

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600,416 : 8,400,624 = 1,611,328 : x
  2. Step 2: Convert to fraction form
    5,600,416/8,400,624 = 1,611,328/x
  3. Step 3: Cross multiply
    5,600,416x = 8,400,624 × 1,611,328
  4. Step 4: Simplify right side
    5,600,416x = 13,536,160,668,672
  5. Step 5: Solve for x
    x = 13,536,160,668,672/5,600,416
  6. Step 6: Final answer
    x = 2,416,992

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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.