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Finding the Fourth Proportional to 834,265.25, 1,240,665.85 and 807,692.93

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Solution

The fourth proportional to 834,265.25, 1,240,665.85 and 807,692.93 is: 1,201,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,265.25 : 1,240,665.85 = 807,692.93 : x
  2. Step 2: Convert to fraction form
    834,265.25/1,240,665.85 = 807,692.93/x
  3. Step 3: Cross multiply
    834,265.25x = 1,240,665.85 × 807,692.93
  4. Step 4: Simplify right side
    834,265.25x = 1,002,077,035,537.44
  5. Step 5: Solve for x
    x = 1,002,077,035,537.44/834,265.25
  6. Step 6: Final answer
    x = 1,201,149.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.