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Finding the Fourth Proportional to 376,881.50, 565,581.45 and 155,265.50

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Solution

The fourth proportional to 376,881.50, 565,581.45 and 155,265.50 is: 233,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,881.50 : 565,581.45 = 155,265.50 : x
  2. Step 2: Convert to fraction form
    376,881.50/565,581.45 = 155,265.50/x
  3. Step 3: Cross multiply
    376,881.50x = 565,581.45 × 155,265.50
  4. Step 4: Simplify right side
    376,881.50x = 87,815,286,624.98
  5. Step 5: Solve for x
    x = 87,815,286,624.98/376,881.50
  6. Step 6: Final answer
    x = 233,005.03

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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.