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Finding the Fourth Proportional to 559,505.57, 839,341.71 and 199,648.35

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Solution

The fourth proportional to 559,505.57, 839,341.71 and 199,648.35 is: 299,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,505.57 : 839,341.71 = 199,648.35 : x
  2. Step 2: Convert to fraction form
    559,505.57/839,341.71 = 199,648.35/x
  3. Step 3: Cross multiply
    559,505.57x = 839,341.71 × 199,648.35
  4. Step 4: Simplify right side
    559,505.57x = 167,573,187,487.68
  5. Step 5: Solve for x
    x = 167,573,187,487.68/559,505.57
  6. Step 6: Final answer
    x = 299,502.27

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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.