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Finding the Fourth Proportional to 1,835,903.64, 2,754,933.30 and 770,863.80

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Solution

The fourth proportional to 1,835,903.64, 2,754,933.30 and 770,863.80 is: 1,156,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835,903.64 : 2,754,933.30 = 770,863.80 : x
  2. Step 2: Convert to fraction form
    1,835,903.64/2,754,933.30 = 770,863.80/x
  3. Step 3: Cross multiply
    1,835,903.64x = 2,754,933.30 × 770,863.80
  4. Step 4: Simplify right side
    1,835,903.64x = 2,123,678,352,384.54
  5. Step 5: Solve for x
    x = 2,123,678,352,384.54/1,835,903.64
  6. Step 6: Final answer
    x = 1,156,748.27

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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.