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Finding the Fourth Proportional to 592,969.60, 818,288.16 and 321,035.29

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Solution

The fourth proportional to 592,969.60, 818,288.16 and 321,035.29 is: 443,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,969.60 : 818,288.16 = 321,035.29 : x
  2. Step 2: Convert to fraction form
    592,969.60/818,288.16 = 321,035.29/x
  3. Step 3: Cross multiply
    592,969.60x = 818,288.16 × 321,035.29
  4. Step 4: Simplify right side
    592,969.60x = 262,699,376,749.17
  5. Step 5: Solve for x
    x = 262,699,376,749.17/592,969.60
  6. Step 6: Final answer
    x = 443,023.35

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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.