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Finding the Fourth Proportional to 573,216.39, 859,826.63 and 173,860.59

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Solution

The fourth proportional to 573,216.39, 859,826.63 and 173,860.59 is: 260,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,216.39 : 859,826.63 = 173,860.59 : x
  2. Step 2: Convert to fraction form
    573,216.39/859,826.63 = 173,860.59/x
  3. Step 3: Cross multiply
    573,216.39x = 859,826.63 × 173,860.59
  4. Step 4: Simplify right side
    573,216.39x = 149,489,964,320.21
  5. Step 5: Solve for x
    x = 149,489,964,320.21/573,216.39
  6. Step 6: Final answer
    x = 260,791.50

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1.5x scale

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.