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Finding the Fourth Proportional to 3,784,483.71, 5,223,264.62 and 2,256,689.25

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Solution

The fourth proportional to 3,784,483.71, 5,223,264.62 and 2,256,689.25 is: 3,114,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,483.71 : 5,223,264.62 = 2,256,689.25 : x
  2. Step 2: Convert to fraction form
    3,784,483.71/5,223,264.62 = 2,256,689.25/x
  3. Step 3: Cross multiply
    3,784,483.71x = 5,223,264.62 × 2,256,689.25
  4. Step 4: Simplify right side
    3,784,483.71x = 11,787,285,106,575.89
  5. Step 5: Solve for x
    x = 11,787,285,106,575.89/3,784,483.71
  6. Step 6: Final answer
    x = 3,114,634.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.