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Finding the Fourth Proportional to 491,416.58, 737,089.29 and 154,553.58

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Solution

The fourth proportional to 491,416.58, 737,089.29 and 154,553.58 is: 231,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,416.58 : 737,089.29 = 154,553.58 : x
  2. Step 2: Convert to fraction form
    491,416.58/737,089.29 = 154,553.58/x
  3. Step 3: Cross multiply
    491,416.58x = 737,089.29 × 154,553.58
  4. Step 4: Simplify right side
    491,416.58x = 113,919,788,549.16
  5. Step 5: Solve for x
    x = 113,919,788,549.16/491,416.58
  6. Step 6: Final answer
    x = 231,819.18

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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.