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Finding the Fourth Proportional to 504,690.45, 756,814.08 and 188,925.92

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Solution

The fourth proportional to 504,690.45, 756,814.08 and 188,925.92 is: 283,305.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,690.45 : 756,814.08 = 188,925.92 : x
  2. Step 2: Convert to fraction form
    504,690.45/756,814.08 = 188,925.92/x
  3. Step 3: Cross multiply
    504,690.45x = 756,814.08 × 188,925.92
  4. Step 4: Simplify right side
    504,690.45x = 142,981,796,095.41
  5. Step 5: Solve for x
    x = 142,981,796,095.41/504,690.45
  6. Step 6: Final answer
    x = 283,305.93

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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.