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Finding the Fourth Proportional to 503,273.10, 753,743.24 and 303,156.12

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Solution

The fourth proportional to 503,273.10, 753,743.24 and 303,156.12 is: 454,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,273.10 : 753,743.24 = 303,156.12 : x
  2. Step 2: Convert to fraction form
    503,273.10/753,743.24 = 303,156.12/x
  3. Step 3: Cross multiply
    503,273.10x = 753,743.24 × 303,156.12
  4. Step 4: Simplify right side
    503,273.10x = 228,501,876,114.63
  5. Step 5: Solve for x
    x = 228,501,876,114.63/503,273.10
  6. Step 6: Final answer
    x = 454,031.57

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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.