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Finding the Fourth Proportional to 592,561.98, 817,733.27 and 320,630.40

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Solution

The fourth proportional to 592,561.98, 817,733.27 and 320,630.40 is: 442,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,561.98 : 817,733.27 = 320,630.40 : x
  2. Step 2: Convert to fraction form
    592,561.98/817,733.27 = 320,630.40/x
  3. Step 3: Cross multiply
    592,561.98x = 817,733.27 × 320,630.40
  4. Step 4: Simplify right side
    592,561.98x = 262,190,146,254.98
  5. Step 5: Solve for x
    x = 262,190,146,254.98/592,561.98
  6. Step 6: Final answer
    x = 442,468.73

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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.