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Finding the Fourth Proportional to 592,604.60, 817,788.63 and 320,666.54

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Solution

The fourth proportional to 592,604.60, 817,788.63 and 320,666.54 is: 442,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,604.60 : 817,788.63 = 320,666.54 : x
  2. Step 2: Convert to fraction form
    592,604.60/817,788.63 = 320,666.54/x
  3. Step 3: Cross multiply
    592,604.60x = 817,788.63 × 320,666.54
  4. Step 4: Simplify right side
    592,604.60x = 262,237,446,344.50
  5. Step 5: Solve for x
    x = 262,237,446,344.50/592,604.60
  6. Step 6: Final answer
    x = 442,516.73

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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.