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Finding the Fourth Proportional to 336,759.75, 504,590.18 and 156,649.50

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Solution

The fourth proportional to 336,759.75, 504,590.18 and 156,649.50 is: 234,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,759.75 : 504,590.18 = 156,649.50 : x
  2. Step 2: Convert to fraction form
    336,759.75/504,590.18 = 156,649.50/x
  3. Step 3: Cross multiply
    336,759.75x = 504,590.18 × 156,649.50
  4. Step 4: Simplify right side
    336,759.75x = 79,043,798,618.66
  5. Step 5: Solve for x
    x = 79,043,798,618.66/336,759.75
  6. Step 6: Final answer
    x = 234,718.66

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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.