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Finding the Fourth Proportional to 491,334.42, 737,010.72 and 154,368.75

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Solution

The fourth proportional to 491,334.42, 737,010.72 and 154,368.75 is: 231,555.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,334.42 : 737,010.72 = 154,368.75 : x
  2. Step 2: Convert to fraction form
    491,334.42/737,010.72 = 154,368.75/x
  3. Step 3: Cross multiply
    491,334.42x = 737,010.72 × 154,368.75
  4. Step 4: Simplify right side
    491,334.42x = 113,771,423,583
  5. Step 5: Solve for x
    x = 113,771,423,583/491,334.42
  6. Step 6: Final answer
    x = 231,555.98

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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.