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Finding the Fourth Proportional to 1,347,658.36, 1,859,719.70 and 735,799.85

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Solution

The fourth proportional to 1,347,658.36, 1,859,719.70 and 735,799.85 is: 1,015,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,658.36 : 1,859,719.70 = 735,799.85 : x
  2. Step 2: Convert to fraction form
    1,347,658.36/1,859,719.70 = 735,799.85/x
  3. Step 3: Cross multiply
    1,347,658.36x = 1,859,719.70 × 735,799.85
  4. Step 4: Simplify right side
    1,347,658.36x = 1,368,381,475,816.90
  5. Step 5: Solve for x
    x = 1,368,381,475,816.90/1,347,658.36
  6. Step 6: Final answer
    x = 1,015,377.13

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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.