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Finding the Fourth Proportional to 2,873,877.92, 4,310,918.71 and 714,914.27

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Solution

The fourth proportional to 2,873,877.92, 4,310,918.71 and 714,914.27 is: 1,072,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873,877.92 : 4,310,918.71 = 714,914.27 : x
  2. Step 2: Convert to fraction form
    2,873,877.92/4,310,918.71 = 714,914.27/x
  3. Step 3: Cross multiply
    2,873,877.92x = 4,310,918.71 × 714,914.27
  4. Step 4: Simplify right side
    2,873,877.92x = 3,081,937,279,247.11
  5. Step 5: Solve for x
    x = 3,081,937,279,247.11/2,873,877.92
  6. Step 6: Final answer
    x = 1,072,396.73

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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.