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Finding the Fourth Proportional to 423,696.84, 584,699.62 and 230,103.18

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Solution

The fourth proportional to 423,696.84, 584,699.62 and 230,103.18 is: 317,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,696.84 : 584,699.62 = 230,103.18 : x
  2. Step 2: Convert to fraction form
    423,696.84/584,699.62 = 230,103.18/x
  3. Step 3: Cross multiply
    423,696.84x = 584,699.62 × 230,103.18
  4. Step 4: Simplify right side
    423,696.84x = 134,541,241,906.79
  5. Step 5: Solve for x
    x = 134,541,241,906.79/423,696.84
  6. Step 6: Final answer
    x = 317,541.29

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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.