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Finding the Fourth Proportional to 504,534.87, 756,805.04 and 130,557.87

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Solution

The fourth proportional to 504,534.87, 756,805.04 and 130,557.87 is: 195,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,534.87 : 756,805.04 = 130,557.87 : x
  2. Step 2: Convert to fraction form
    504,534.87/756,805.04 = 130,557.87/x
  3. Step 3: Cross multiply
    504,534.87x = 756,805.04 × 130,557.87
  4. Step 4: Simplify right side
    504,534.87x = 98,806,854,027.66
  5. Step 5: Solve for x
    x = 98,806,854,027.66/504,534.87
  6. Step 6: Final answer
    x = 195,837.51

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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.