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Finding the Fourth Proportional to 40,803,469.45, 57,200,439.95 and 40,803,469.45

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Solution

The fourth proportional to 40,803,469.45, 57,200,439.95 and 40,803,469.45 is: 57,200,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803,469.45 : 57,200,439.95 = 40,803,469.45 : x
  2. Step 2: Convert to fraction form
    40,803,469.45/57,200,439.95 = 40,803,469.45/x
  3. Step 3: Cross multiply
    40,803,469.45x = 57,200,439.95 × 40,803,469.45
  4. Step 4: Simplify right side
    40,803,469.45x = 2,333,976,404,026,385
  5. Step 5: Solve for x
    x = 2,333,976,404,026,385/40,803,469.45
  6. Step 6: Final answer
    x = 57,200,439.95

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.