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Finding the Fourth Proportional to 616,665.84, 924,801.90 and 195,843.30

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Solution

The fourth proportional to 616,665.84, 924,801.90 and 195,843.30 is: 293,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,665.84 : 924,801.90 = 195,843.30 : x
  2. Step 2: Convert to fraction form
    616,665.84/924,801.90 = 195,843.30/x
  3. Step 3: Cross multiply
    616,665.84x = 924,801.90 × 195,843.30
  4. Step 4: Simplify right side
    616,665.84x = 181,116,255,942.27
  5. Step 5: Solve for x
    x = 181,116,255,942.27/616,665.84
  6. Step 6: Final answer
    x = 293,702.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.