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Finding the Fourth Proportional to 504,535.87, 756,806.54 and 130,558.87

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Solution

The fourth proportional to 504,535.87, 756,806.54 and 130,558.87 is: 195,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,535.87 : 756,806.54 = 130,558.87 : x
  2. Step 2: Convert to fraction form
    504,535.87/756,806.54 = 130,558.87/x
  3. Step 3: Cross multiply
    504,535.87x = 756,806.54 × 130,558.87
  4. Step 4: Simplify right side
    504,535.87x = 98,807,806,671.01
  5. Step 5: Solve for x
    x = 98,807,806,671.01/504,535.87
  6. Step 6: Final answer
    x = 195,839.01

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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.