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Finding the Fourth Proportional to 504,602.87, 756,904.30 and 205,082.28

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Solution

The fourth proportional to 504,602.87, 756,904.30 and 205,082.28 is: 307,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,602.87 : 756,904.30 = 205,082.28 : x
  2. Step 2: Convert to fraction form
    504,602.87/756,904.30 = 205,082.28/x
  3. Step 3: Cross multiply
    504,602.87x = 756,904.30 × 205,082.28
  4. Step 4: Simplify right side
    504,602.87x = 155,227,659,073.10
  5. Step 5: Solve for x
    x = 155,227,659,073.10/504,602.87
  6. Step 6: Final answer
    x = 307,623.42

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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.