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Finding the Fourth Proportional to 592,231.77, 817,279.84 and 320,299.66

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Solution

The fourth proportional to 592,231.77, 817,279.84 and 320,299.66 is: 442,013.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,231.77 : 817,279.84 = 320,299.66 : x
  2. Step 2: Convert to fraction form
    592,231.77/817,279.84 = 320,299.66/x
  3. Step 3: Cross multiply
    592,231.77x = 817,279.84 × 320,299.66
  4. Step 4: Simplify right side
    592,231.77x = 261,774,454,876.85
  5. Step 5: Solve for x
    x = 261,774,454,876.85/592,231.77
  6. Step 6: Final answer
    x = 442,013.53

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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.