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Finding the Fourth Proportional to 504,557.64, 756,814.50 and 125,470.44

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Solution

The fourth proportional to 504,557.64, 756,814.50 and 125,470.44 is: 188,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,557.64 : 756,814.50 = 125,470.44 : x
  2. Step 2: Convert to fraction form
    504,557.64/756,814.50 = 125,470.44/x
  3. Step 3: Cross multiply
    504,557.64x = 756,814.50 × 125,470.44
  4. Step 4: Simplify right side
    504,557.64x = 94,957,848,313.38
  5. Step 5: Solve for x
    x = 94,957,848,313.38/504,557.64
  6. Step 6: Final answer
    x = 188,200.20

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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.