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Finding the Fourth Proportional to 593,917, 890,858.22 and 219,931.72

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Solution

The fourth proportional to 593,917, 890,858.22 and 219,931.72 is: 329,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,917 : 890,858.22 = 219,931.72 : x
  2. Step 2: Convert to fraction form
    593,917/890,858.22 = 219,931.72/x
  3. Step 3: Cross multiply
    593,917x = 890,858.22 × 219,931.72
  4. Step 4: Simplify right side
    593,917x = 195,927,980,600.74
  5. Step 5: Solve for x
    x = 195,927,980,600.74/593,917
  6. Step 6: Final answer
    x = 329,891.18

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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.