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Finding the Fourth Proportional to 3,217,253.92, 4,824,407.56 and 1,920,994.76

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Solution

The fourth proportional to 3,217,253.92, 4,824,407.56 and 1,920,994.76 is: 2,880,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,253.92 : 4,824,407.56 = 1,920,994.76 : x
  2. Step 2: Convert to fraction form
    3,217,253.92/4,824,407.56 = 1,920,994.76/x
  3. Step 3: Cross multiply
    3,217,253.92x = 4,824,407.56 × 1,920,994.76
  4. Step 4: Simplify right side
    3,217,253.92x = 9,267,661,626,000.88
  5. Step 5: Solve for x
    x = 9,267,661,626,000.88/3,217,253.92
  6. Step 6: Final answer
    x = 2,880,612.43

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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.