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Finding the Fourth Proportional to 592,271.73, 817,331.92 and 320,339.34

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Solution

The fourth proportional to 592,271.73, 817,331.92 and 320,339.34 is: 442,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,271.73 : 817,331.92 = 320,339.34 : x
  2. Step 2: Convert to fraction form
    592,271.73/817,331.92 = 320,339.34/x
  3. Step 3: Cross multiply
    592,271.73x = 817,331.92 × 320,339.34
  4. Step 4: Simplify right side
    592,271.73x = 261,823,567,012.88
  5. Step 5: Solve for x
    x = 261,823,567,012.88/592,271.73
  6. Step 6: Final answer
    x = 442,066.63

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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.