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Finding the Fourth Proportional to 508,490.50, 699,228.57 and 441,305.86

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Solution

The fourth proportional to 508,490.50, 699,228.57 and 441,305.86 is: 606,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,490.50 : 699,228.57 = 441,305.86 : x
  2. Step 2: Convert to fraction form
    508,490.50/699,228.57 = 441,305.86/x
  3. Step 3: Cross multiply
    508,490.50x = 699,228.57 × 441,305.86
  4. Step 4: Simplify right side
    508,490.50x = 308,573,665,420.42
  5. Step 5: Solve for x
    x = 308,573,665,420.42/508,490.50
  6. Step 6: Final answer
    x = 606,842.54

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1.5x scale

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.