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Finding the Fourth Proportional to 374,741.80, 562,112.70 and 335,375.80

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Solution

The fourth proportional to 374,741.80, 562,112.70 and 335,375.80 is: 503,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,741.80 : 562,112.70 = 335,375.80 : x
  2. Step 2: Convert to fraction form
    374,741.80/562,112.70 = 335,375.80/x
  3. Step 3: Cross multiply
    374,741.80x = 562,112.70 × 335,375.80
  4. Step 4: Simplify right side
    374,741.80x = 188,518,996,452.66
  5. Step 5: Solve for x
    x = 188,518,996,452.66/374,741.80
  6. Step 6: Final answer
    x = 503,063.70

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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.