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Finding the Fourth Proportional to 883,803.61, 1,325,758.03 and 276,705.62

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Solution

The fourth proportional to 883,803.61, 1,325,758.03 and 276,705.62 is: 415,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,803.61 : 1,325,758.03 = 276,705.62 : x
  2. Step 2: Convert to fraction form
    883,803.61/1,325,758.03 = 276,705.62/x
  3. Step 3: Cross multiply
    883,803.61x = 1,325,758.03 × 276,705.62
  4. Step 4: Simplify right side
    883,803.61x = 366,844,696,868.64
  5. Step 5: Solve for x
    x = 366,844,696,868.64/883,803.61
  6. Step 6: Final answer
    x = 415,074.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.