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Finding the Fourth Proportional to 531,740.22, 797,377.05 and 194,693.55

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Solution

The fourth proportional to 531,740.22, 797,377.05 and 194,693.55 is: 291,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,740.22 : 797,377.05 = 194,693.55 : x
  2. Step 2: Convert to fraction form
    531,740.22/797,377.05 = 194,693.55/x
  3. Step 3: Cross multiply
    531,740.22x = 797,377.05 × 194,693.55
  4. Step 4: Simplify right side
    531,740.22x = 155,244,168,553.03
  5. Step 5: Solve for x
    x = 155,244,168,553.03/531,740.22
  6. Step 6: Final answer
    x = 291,954.91

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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.