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Finding the Fourth Proportional to 424,295.88, 585,521.82 and 230,702.04

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Solution

The fourth proportional to 424,295.88, 585,521.82 and 230,702.04 is: 318,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,295.88 : 585,521.82 = 230,702.04 : x
  2. Step 2: Convert to fraction form
    424,295.88/585,521.82 = 230,702.04/x
  3. Step 3: Cross multiply
    424,295.88x = 585,521.82 × 230,702.04
  4. Step 4: Simplify right side
    424,295.88x = 135,081,078,338.51
  5. Step 5: Solve for x
    x = 135,081,078,338.51/424,295.88
  6. Step 6: Final answer
    x = 318,365.28

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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.