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Finding the Fourth Proportional to 592,243.99, 817,296.70 and 320,311.91

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Solution

The fourth proportional to 592,243.99, 817,296.70 and 320,311.91 is: 442,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,243.99 : 817,296.70 = 320,311.91 : x
  2. Step 2: Convert to fraction form
    592,243.99/817,296.70 = 320,311.91/x
  3. Step 3: Cross multiply
    592,243.99x = 817,296.70 × 320,311.91
  4. Step 4: Simplify right side
    592,243.99x = 261,789,867,013.70
  5. Step 5: Solve for x
    x = 261,789,867,013.70/592,243.99
  6. Step 6: Final answer
    x = 442,030.43

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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.