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Finding the Fourth Proportional to 592,664, 817,876.26 and 320,731.88

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Solution

The fourth proportional to 592,664, 817,876.26 and 320,731.88 is: 442,609.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,664 : 817,876.26 = 320,731.88 : x
  2. Step 2: Convert to fraction form
    592,664/817,876.26 = 320,731.88/x
  3. Step 3: Cross multiply
    592,664x = 817,876.26 × 320,731.88
  4. Step 4: Simplify right side
    592,664x = 262,318,990,477.17
  5. Step 5: Solve for x
    x = 262,318,990,477.17/592,664
  6. Step 6: Final answer
    x = 442,609.96

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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.