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Finding the Fourth Proportional to 1,865,847.52, 2,574,999.82 and 1,050,129.32

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Solution

The fourth proportional to 1,865,847.52, 2,574,999.82 and 1,050,129.32 is: 1,449,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,847.52 : 2,574,999.82 = 1,050,129.32 : x
  2. Step 2: Convert to fraction form
    1,865,847.52/2,574,999.82 = 1,050,129.32/x
  3. Step 3: Cross multiply
    1,865,847.52x = 2,574,999.82 × 1,050,129.32
  4. Step 4: Simplify right side
    1,865,847.52x = 2,704,082,809,976.72
  5. Step 5: Solve for x
    x = 2,704,082,809,976.72/1,865,847.52
  6. Step 6: Final answer
    x = 1,449,251.76

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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.