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Finding the Fourth Proportional to 365,564.70, 547,569.45 and 303,356.70

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Solution

The fourth proportional to 365,564.70, 547,569.45 and 303,356.70 is: 454,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,564.70 : 547,569.45 = 303,356.70 : x
  2. Step 2: Convert to fraction form
    365,564.70/547,569.45 = 303,356.70/x
  3. Step 3: Cross multiply
    365,564.70x = 547,569.45 × 303,356.70
  4. Step 4: Simplify right side
    365,564.70x = 166,108,861,372.82
  5. Step 5: Solve for x
    x = 166,108,861,372.82/365,564.70
  6. Step 6: Final answer
    x = 454,389.77

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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.