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Finding the Fourth Proportional to 559,370.80, 839,177.70 and 204,384.25

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Solution

The fourth proportional to 559,370.80, 839,177.70 and 204,384.25 is: 306,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,370.80 : 839,177.70 = 204,384.25 : x
  2. Step 2: Convert to fraction form
    559,370.80/839,177.70 = 204,384.25/x
  3. Step 3: Cross multiply
    559,370.80x = 839,177.70 × 204,384.25
  4. Step 4: Simplify right side
    559,370.80x = 171,514,704,831.23
  5. Step 5: Solve for x
    x = 171,514,704,831.23/559,370.80
  6. Step 6: Final answer
    x = 306,620.77

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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.