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Finding the Fourth Proportional to 592,573.70, 817,745.57 and 320,635.59

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Solution

The fourth proportional to 592,573.70, 817,745.57 and 320,635.59 is: 442,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,573.70 : 817,745.57 = 320,635.59 : x
  2. Step 2: Convert to fraction form
    592,573.70/817,745.57 = 320,635.59/x
  3. Step 3: Cross multiply
    592,573.70x = 817,745.57 × 320,635.59
  4. Step 4: Simplify right side
    592,573.70x = 262,198,331,703.66
  5. Step 5: Solve for x
    x = 262,198,331,703.66/592,573.70
  6. Step 6: Final answer
    x = 442,473.80

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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.