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Finding the Fourth Proportional to 1,664,949.25, 2,297,646.57 and 901,019.22

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Solution

The fourth proportional to 1,664,949.25, 2,297,646.57 and 901,019.22 is: 1,243,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,949.25 : 2,297,646.57 = 901,019.22 : x
  2. Step 2: Convert to fraction form
    1,664,949.25/2,297,646.57 = 901,019.22/x
  3. Step 3: Cross multiply
    1,664,949.25x = 2,297,646.57 × 901,019.22
  4. Step 4: Simplify right side
    1,664,949.25x = 2,070,223,720,337.08
  5. Step 5: Solve for x
    x = 2,070,223,720,337.08/1,664,949.25
  6. Step 6: Final answer
    x = 1,243,415.51

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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.