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Finding the Fourth Proportional to 375,650.76, 562,129.25 and 325,223.24

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Solution

The fourth proportional to 375,650.76, 562,129.25 and 325,223.24 is: 486,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,650.76 : 562,129.25 = 325,223.24 : x
  2. Step 2: Convert to fraction form
    375,650.76/562,129.25 = 325,223.24/x
  3. Step 3: Cross multiply
    375,650.76x = 562,129.25 × 325,223.24
  4. Step 4: Simplify right side
    375,650.76x = 182,817,494,375.84
  5. Step 5: Solve for x
    x = 182,817,494,375.84/375,650.76
  6. Step 6: Final answer
    x = 486,668.77

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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.