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Finding the Fourth Proportional to 559,836.35, 839,754.50 and 185,859.35

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Solution

The fourth proportional to 559,836.35, 839,754.50 and 185,859.35 is: 278,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,836.35 : 839,754.50 = 185,859.35 : x
  2. Step 2: Convert to fraction form
    559,836.35/839,754.50 = 185,859.35/x
  3. Step 3: Cross multiply
    559,836.35x = 839,754.50 × 185,859.35
  4. Step 4: Simplify right side
    559,836.35x = 156,076,221,330.80
  5. Step 5: Solve for x
    x = 156,076,221,330.80/559,836.35
  6. Step 6: Final answer
    x = 278,789.01

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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.