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Finding the Fourth Proportional to 1,009,616.02, 1,393,279 and 550,732.62

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Solution

The fourth proportional to 1,009,616.02, 1,393,279 and 550,732.62 is: 760,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,616.02 : 1,393,279 = 550,732.62 : x
  2. Step 2: Convert to fraction form
    1,009,616.02/1,393,279 = 550,732.62/x
  3. Step 3: Cross multiply
    1,009,616.02x = 1,393,279 × 550,732.62
  4. Step 4: Simplify right side
    1,009,616.02x = 767,324,194,060.98
  5. Step 5: Solve for x
    x = 767,324,194,060.98/1,009,616.02
  6. Step 6: Final answer
    x = 760,015.87

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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.