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Finding the Fourth Proportional to 538,319.11, 807,603.72 and 183,336.16

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Solution

The fourth proportional to 538,319.11, 807,603.72 and 183,336.16 is: 275,046.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,319.11 : 807,603.72 = 183,336.16 : x
  2. Step 2: Convert to fraction form
    538,319.11/807,603.72 = 183,336.16/x
  3. Step 3: Cross multiply
    538,319.11x = 807,603.72 × 183,336.16
  4. Step 4: Simplify right side
    538,319.11x = 148,062,964,826.52
  5. Step 5: Solve for x
    x = 148,062,964,826.52/538,319.11
  6. Step 6: Final answer
    x = 275,046.83

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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.