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Finding the Fourth Proportional to 592,559.80, 817,730.25 and 320,628.22

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Solution

The fourth proportional to 592,559.80, 817,730.25 and 320,628.22 is: 442,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,559.80 : 817,730.25 = 320,628.22 : x
  2. Step 2: Convert to fraction form
    592,559.80/817,730.25 = 320,628.22/x
  3. Step 3: Cross multiply
    592,559.80x = 817,730.25 × 320,628.22
  4. Step 4: Simplify right side
    592,559.80x = 262,187,394,497.66
  5. Step 5: Solve for x
    x = 262,187,394,497.66/592,559.80
  6. Step 6: Final answer
    x = 442,465.71

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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.