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Finding the Fourth Proportional to 423,878.04, 584,951.22 and 232,890.96

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Solution

The fourth proportional to 423,878.04, 584,951.22 and 232,890.96 is: 321,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,878.04 : 584,951.22 = 232,890.96 : x
  2. Step 2: Convert to fraction form
    423,878.04/584,951.22 = 232,890.96/x
  3. Step 3: Cross multiply
    423,878.04x = 584,951.22 × 232,890.96
  4. Step 4: Simplify right side
    423,878.04x = 136,229,851,178.97
  5. Step 5: Solve for x
    x = 136,229,851,178.97/423,878.04
  6. Step 6: Final answer
    x = 321,389.26

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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.