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Finding the Fourth Proportional to 873,662.51, 1,206,026.25 and 587,348.71

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Solution

The fourth proportional to 873,662.51, 1,206,026.25 and 587,348.71 is: 810,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,662.51 : 1,206,026.25 = 587,348.71 : x
  2. Step 2: Convert to fraction form
    873,662.51/1,206,026.25 = 587,348.71/x
  3. Step 3: Cross multiply
    873,662.51x = 1,206,026.25 × 587,348.71
  4. Step 4: Simplify right side
    873,662.51x = 708,357,962,163.64
  5. Step 5: Solve for x
    x = 708,357,962,163.64/873,662.51
  6. Step 6: Final answer
    x = 810,791.30

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1.5x scale

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.