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Finding the Fourth Proportional to 1,707,531.22, 2,356,393.89 and 943,584.76

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Solution

The fourth proportional to 1,707,531.22, 2,356,393.89 and 943,584.76 is: 1,302,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,531.22 : 2,356,393.89 = 943,584.76 : x
  2. Step 2: Convert to fraction form
    1,707,531.22/2,356,393.89 = 943,584.76/x
  3. Step 3: Cross multiply
    1,707,531.22x = 2,356,393.89 × 943,584.76
  4. Step 4: Simplify right side
    1,707,531.22x = 2,223,457,363,161.12
  5. Step 5: Solve for x
    x = 2,223,457,363,161.12/1,707,531.22
  6. Step 6: Final answer
    x = 1,302,147.41

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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.