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Finding the Fourth Proportional to 559,723.51, 839,910.51 and 235,487.86

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Solution

The fourth proportional to 559,723.51, 839,910.51 and 235,487.86 is: 353,368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,723.51 : 839,910.51 = 235,487.86 : x
  2. Step 2: Convert to fraction form
    559,723.51/839,910.51 = 235,487.86/x
  3. Step 3: Cross multiply
    559,723.51x = 839,910.51 × 235,487.86
  4. Step 4: Simplify right side
    559,723.51x = 197,788,728,591.41
  5. Step 5: Solve for x
    x = 197,788,728,591.41/559,723.51
  6. Step 6: Final answer
    x = 353,368.63

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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.