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Finding the Fourth Proportional to 4,525,807.78, 6,746,076.07 and 4,162,600.54

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Solution

The fourth proportional to 4,525,807.78, 6,746,076.07 and 4,162,600.54 is: 6,204,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,525,807.78 : 6,746,076.07 = 4,162,600.54 : x
  2. Step 2: Convert to fraction form
    4,525,807.78/6,746,076.07 = 4,162,600.54/x
  3. Step 3: Cross multiply
    4,525,807.78x = 6,746,076.07 × 4,162,600.54
  4. Step 4: Simplify right side
    4,525,807.78x = 28,081,219,891,863.08
  5. Step 5: Solve for x
    x = 28,081,219,891,863.08/4,525,807.78
  6. Step 6: Final answer
    x = 6,204,686.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.