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Finding the Fourth Proportional to 593,726.76, 890,896.32 and 278,215.56

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Solution

The fourth proportional to 593,726.76, 890,896.32 and 278,215.56 is: 417,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,726.76 : 890,896.32 = 278,215.56 : x
  2. Step 2: Convert to fraction form
    593,726.76/890,896.32 = 278,215.56/x
  3. Step 3: Cross multiply
    593,726.76x = 890,896.32 × 278,215.56
  4. Step 4: Simplify right side
    593,726.76x = 247,861,218,570.74
  5. Step 5: Solve for x
    x = 247,861,218,570.74/593,726.76
  6. Step 6: Final answer
    x = 417,466.81

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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.