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Finding the Fourth Proportional to 592,529.91, 817,685.42 and 320,591.82

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Solution

The fourth proportional to 592,529.91, 817,685.42 and 320,591.82 is: 442,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,529.91 : 817,685.42 = 320,591.82 : x
  2. Step 2: Convert to fraction form
    592,529.91/817,685.42 = 320,591.82/x
  3. Step 3: Cross multiply
    592,529.91x = 817,685.42 × 320,591.82
  4. Step 4: Simplify right side
    592,529.91x = 262,143,256,985.26
  5. Step 5: Solve for x
    x = 262,143,256,985.26/592,529.91
  6. Step 6: Final answer
    x = 442,413.54

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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.