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Finding the Fourth Proportional to 585,764.87, 808,333.43 and 331,121.52

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Solution

The fourth proportional to 585,764.87, 808,333.43 and 331,121.52 is: 456,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,764.87 : 808,333.43 = 331,121.52 : x
  2. Step 2: Convert to fraction form
    585,764.87/808,333.43 = 331,121.52/x
  3. Step 3: Cross multiply
    585,764.87x = 808,333.43 × 331,121.52
  4. Step 4: Simplify right side
    585,764.87x = 267,656,592,352.81
  5. Step 5: Solve for x
    x = 267,656,592,352.81/585,764.87
  6. Step 6: Final answer
    x = 456,935.21

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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.