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Finding the Fourth Proportional to 503,023.77, 754,536.15 and 203,506.90

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Solution

The fourth proportional to 503,023.77, 754,536.15 and 203,506.90 is: 305,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,023.77 : 754,536.15 = 203,506.90 : x
  2. Step 2: Convert to fraction form
    503,023.77/754,536.15 = 203,506.90/x
  3. Step 3: Cross multiply
    503,023.77x = 754,536.15 × 203,506.90
  4. Step 4: Simplify right side
    503,023.77x = 153,553,312,824.44
  5. Step 5: Solve for x
    x = 153,553,312,824.44/503,023.77
  6. Step 6: Final answer
    x = 305,260.55

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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.