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Finding the Fourth Proportional to 1,347,799.49, 1,859,972.30 and 735,956.51

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Solution

The fourth proportional to 1,347,799.49, 1,859,972.30 and 735,956.51 is: 1,015,624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,799.49 : 1,859,972.30 = 735,956.51 : x
  2. Step 2: Convert to fraction form
    1,347,799.49/1,859,972.30 = 735,956.51/x
  3. Step 3: Cross multiply
    1,347,799.49x = 1,859,972.30 × 735,956.51
  4. Step 4: Simplify right side
    1,347,799.49x = 1,368,858,709,625.03
  5. Step 5: Solve for x
    x = 1,368,858,709,625.03/1,347,799.49
  6. Step 6: Final answer
    x = 1,015,624.89

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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.