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Finding the Fourth Proportional to 2,629,357.96, 3,944,627.70 and 832,349.20

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Solution

The fourth proportional to 2,629,357.96, 3,944,627.70 and 832,349.20 is: 1,248,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,357.96 : 3,944,627.70 = 832,349.20 : x
  2. Step 2: Convert to fraction form
    2,629,357.96/3,944,627.70 = 832,349.20/x
  3. Step 3: Cross multiply
    2,629,357.96x = 3,944,627.70 × 832,349.20
  4. Step 4: Simplify right side
    2,629,357.96x = 3,283,307,710,392.84
  5. Step 5: Solve for x
    x = 3,283,307,710,392.84/2,629,357.96
  6. Step 6: Final answer
    x = 1,248,710.81

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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.