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Finding the Fourth Proportional to 504,247.50, 695,861.55 and 303,043.50

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Solution

The fourth proportional to 504,247.50, 695,861.55 and 303,043.50 is: 418,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,247.50 : 695,861.55 = 303,043.50 : x
  2. Step 2: Convert to fraction form
    504,247.50/695,861.55 = 303,043.50/x
  3. Step 3: Cross multiply
    504,247.50x = 695,861.55 × 303,043.50
  4. Step 4: Simplify right side
    504,247.50x = 210,876,319,627.43
  5. Step 5: Solve for x
    x = 210,876,319,627.43/504,247.50
  6. Step 6: Final answer
    x = 418,200.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.