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Finding the Fourth Proportional to 610,898.52, 843,039.72 and 356,200.50

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Solution

The fourth proportional to 610,898.52, 843,039.72 and 356,200.50 is: 491,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,898.52 : 843,039.72 = 356,200.50 : x
  2. Step 2: Convert to fraction form
    610,898.52/843,039.72 = 356,200.50/x
  3. Step 3: Cross multiply
    610,898.52x = 843,039.72 × 356,200.50
  4. Step 4: Simplify right side
    610,898.52x = 300,291,169,783.86
  5. Step 5: Solve for x
    x = 300,291,169,783.86/610,898.52
  6. Step 6: Final answer
    x = 491,556.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.