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Finding the Fourth Proportional to 585,930.88, 808,616.64 and 331,304.32

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Solution

The fourth proportional to 585,930.88, 808,616.64 and 331,304.32 is: 457,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,930.88 : 808,616.64 = 331,304.32 : x
  2. Step 2: Convert to fraction form
    585,930.88/808,616.64 = 331,304.32/x
  3. Step 3: Cross multiply
    585,930.88x = 808,616.64 × 331,304.32
  4. Step 4: Simplify right side
    585,930.88x = 267,898,186,055.89
  5. Step 5: Solve for x
    x = 267,898,186,055.89/585,930.88
  6. Step 6: Final answer
    x = 457,218.07

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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.