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Finding the Fourth Proportional to 1,267,338.03, 1,748,888.87 and 723,460.29

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Solution

The fourth proportional to 1,267,338.03, 1,748,888.87 and 723,460.29 is: 998,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,338.03 : 1,748,888.87 = 723,460.29 : x
  2. Step 2: Convert to fraction form
    1,267,338.03/1,748,888.87 = 723,460.29/x
  3. Step 3: Cross multiply
    1,267,338.03x = 1,748,888.87 × 723,460.29
  4. Step 4: Simplify right side
    1,267,338.03x = 1,265,251,645,450.67
  5. Step 5: Solve for x
    x = 1,265,251,645,450.67/1,267,338.03
  6. Step 6: Final answer
    x = 998,353.73

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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.