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Finding the Fourth Proportional to 585,857.57, 808,472.75 and 331,208.82

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Solution

The fourth proportional to 585,857.57, 808,472.75 and 331,208.82 is: 457,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,857.57 : 808,472.75 = 331,208.82 : x
  2. Step 2: Convert to fraction form
    585,857.57/808,472.75 = 331,208.82/x
  3. Step 3: Cross multiply
    585,857.57x = 808,472.75 × 331,208.82
  4. Step 4: Simplify right side
    585,857.57x = 267,773,303,873.61
  5. Step 5: Solve for x
    x = 267,773,303,873.61/585,857.57
  6. Step 6: Final answer
    x = 457,062.13

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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.