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Finding the Fourth Proportional to 590,218.10, 885,764.55 and 235,486.70

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Solution

The fourth proportional to 590,218.10, 885,764.55 and 235,486.70 is: 353,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,218.10 : 885,764.55 = 235,486.70 : x
  2. Step 2: Convert to fraction form
    590,218.10/885,764.55 = 235,486.70/x
  3. Step 3: Cross multiply
    590,218.10x = 885,764.55 × 235,486.70
  4. Step 4: Simplify right side
    590,218.10x = 208,585,770,856.49
  5. Step 5: Solve for x
    x = 208,585,770,856.49/590,218.10
  6. Step 6: Final answer
    x = 353,404.56

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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.