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Finding the Fourth Proportional to 504,701.56, 756,830.76 and 188,937.01

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Solution

The fourth proportional to 504,701.56, 756,830.76 and 188,937.01 is: 283,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,701.56 : 756,830.76 = 188,937.01 : x
  2. Step 2: Convert to fraction form
    504,701.56/756,830.76 = 188,937.01/x
  3. Step 3: Cross multiply
    504,701.56x = 756,830.76 × 188,937.01
  4. Step 4: Simplify right side
    504,701.56x = 142,993,340,870.43
  5. Step 5: Solve for x
    x = 142,993,340,870.43/504,701.56
  6. Step 6: Final answer
    x = 283,322.57

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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.