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Finding the Fourth Proportional to 1,749,448.53, 2,414,228.22 and 985,748.13

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Solution

The fourth proportional to 1,749,448.53, 2,414,228.22 and 985,748.13 is: 1,360,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,448.53 : 2,414,228.22 = 985,748.13 : x
  2. Step 2: Convert to fraction form
    1,749,448.53/2,414,228.22 = 985,748.13/x
  3. Step 3: Cross multiply
    1,749,448.53x = 2,414,228.22 × 985,748.13
  4. Step 4: Simplify right side
    1,749,448.53x = 2,379,820,953,258.23
  5. Step 5: Solve for x
    x = 2,379,820,953,258.23/1,749,448.53
  6. Step 6: Final answer
    x = 1,360,326.36

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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.