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Finding the Fourth Proportional to 3,792,951.68, 5,688,480.40 and 1,487,913.30

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Solution

The fourth proportional to 3,792,951.68, 5,688,480.40 and 1,487,913.30 is: 2,231,498.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792,951.68 : 5,688,480.40 = 1,487,913.30 : x
  2. Step 2: Convert to fraction form
    3,792,951.68/5,688,480.40 = 1,487,913.30/x
  3. Step 3: Cross multiply
    3,792,951.68x = 5,688,480.40 × 1,487,913.30
  4. Step 4: Simplify right side
    3,792,951.68x = 8,463,965,643,949.32
  5. Step 5: Solve for x
    x = 8,463,965,643,949.32/3,792,951.68
  6. Step 6: Final answer
    x = 2,231,498.41

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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.