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Finding the Fourth Proportional to 592,660.50, 817,871.43 and 320,728.38

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Solution

The fourth proportional to 592,660.50, 817,871.43 and 320,728.38 is: 442,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,660.50 : 817,871.43 = 320,728.38 : x
  2. Step 2: Convert to fraction form
    592,660.50/817,871.43 = 320,728.38/x
  3. Step 3: Cross multiply
    592,660.50x = 817,871.43 × 320,728.38
  4. Step 4: Simplify right side
    592,660.50x = 262,314,582,024.59
  5. Step 5: Solve for x
    x = 262,314,582,024.59/592,660.50
  6. Step 6: Final answer
    x = 442,605.14

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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.