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Finding the Fourth Proportional to 2,899,953.60, 4,351,485.60 and 1,217,227.20

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Solution

The fourth proportional to 2,899,953.60, 4,351,485.60 and 1,217,227.20 is: 1,826,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899,953.60 : 4,351,485.60 = 1,217,227.20 : x
  2. Step 2: Convert to fraction form
    2,899,953.60/4,351,485.60 = 1,217,227.20/x
  3. Step 3: Cross multiply
    2,899,953.60x = 4,351,485.60 × 1,217,227.20
  4. Step 4: Simplify right side
    2,899,953.60x = 5,296,746,632,728.32
  5. Step 5: Solve for x
    x = 5,296,746,632,728.32/2,899,953.60
  6. Step 6: Final answer
    x = 1,826,493.58

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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.