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Finding the Fourth Proportional to 3,154,308.26, 4,731,919.10 and 994,600.32

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Solution

The fourth proportional to 3,154,308.26, 4,731,919.10 and 994,600.32 is: 1,492,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154,308.26 : 4,731,919.10 = 994,600.32 : x
  2. Step 2: Convert to fraction form
    3,154,308.26/4,731,919.10 = 994,600.32/x
  3. Step 3: Cross multiply
    3,154,308.26x = 4,731,919.10 × 994,600.32
  4. Step 4: Simplify right side
    3,154,308.26x = 4,706,368,251,074.11
  5. Step 5: Solve for x
    x = 4,706,368,251,074.11/3,154,308.26
  6. Step 6: Final answer
    x = 1,492,044.49

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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.