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Finding the Fourth Proportional to 1,973,750.80, 2,961,317.40 and 852,624.40

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Solution

The fourth proportional to 1,973,750.80, 2,961,317.40 and 852,624.40 is: 1,279,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,750.80 : 2,961,317.40 = 852,624.40 : x
  2. Step 2: Convert to fraction form
    1,973,750.80/2,961,317.40 = 852,624.40/x
  3. Step 3: Cross multiply
    1,973,750.80x = 2,961,317.40 × 852,624.40
  4. Step 4: Simplify right side
    1,973,750.80x = 2,524,891,471,384.56
  5. Step 5: Solve for x
    x = 2,524,891,471,384.56/1,973,750.80
  6. Step 6: Final answer
    x = 1,279,235.19

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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.