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Finding the Fourth Proportional to 593,918, 890,859.72 and 219,932.72

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Solution

The fourth proportional to 593,918, 890,859.72 and 219,932.72 is: 329,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,918 : 890,859.72 = 219,932.72 : x
  2. Step 2: Convert to fraction form
    593,918/890,859.72 = 219,932.72/x
  3. Step 3: Cross multiply
    593,918x = 890,859.72 × 219,932.72
  4. Step 4: Simplify right side
    593,918x = 195,929,201,358.04
  5. Step 5: Solve for x
    x = 195,929,201,358.04/593,918
  6. Step 6: Final answer
    x = 329,892.68

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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.