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Finding the Fourth Proportional to 1,353,559.08, 1,867,930.02 and 741,699.48

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Solution

The fourth proportional to 1,353,559.08, 1,867,930.02 and 741,699.48 is: 1,023,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,559.08 : 1,867,930.02 = 741,699.48 : x
  2. Step 2: Convert to fraction form
    1,353,559.08/1,867,930.02 = 741,699.48/x
  3. Step 3: Cross multiply
    1,353,559.08x = 1,867,930.02 × 741,699.48
  4. Step 4: Simplify right side
    1,353,559.08x = 1,385,442,724,510.39
  5. Step 5: Solve for x
    x = 1,385,442,724,510.39/1,353,559.08
  6. Step 6: Final answer
    x = 1,023,555.41

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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.