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Finding the Fourth Proportional to 593,696.70, 890,458.65 and 172,928.70

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Solution

The fourth proportional to 593,696.70, 890,458.65 and 172,928.70 is: 259,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,696.70 : 890,458.65 = 172,928.70 : x
  2. Step 2: Convert to fraction form
    593,696.70/890,458.65 = 172,928.70/x
  3. Step 3: Cross multiply
    593,696.70x = 890,458.65 × 172,928.70
  4. Step 4: Simplify right side
    593,696.70x = 153,985,856,748.26
  5. Step 5: Solve for x
    x = 153,985,856,748.26/593,696.70
  6. Step 6: Final answer
    x = 259,367.88

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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.