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Finding the Fourth Proportional to 365,869.50, 551,546.70 and 341,484.72

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Solution

The fourth proportional to 365,869.50, 551,546.70 and 341,484.72 is: 514,786.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,869.50 : 551,546.70 = 341,484.72 : x
  2. Step 2: Convert to fraction form
    365,869.50/551,546.70 = 341,484.72/x
  3. Step 3: Cross multiply
    365,869.50x = 551,546.70 × 341,484.72
  4. Step 4: Simplify right side
    365,869.50x = 188,344,770,416.42
  5. Step 5: Solve for x
    x = 188,344,770,416.42/365,869.50
  6. Step 6: Final answer
    x = 514,786.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.