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Finding the Fourth Proportional to 403,282.47, 604,573.77 and 203,436.03

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Solution

The fourth proportional to 403,282.47, 604,573.77 and 203,436.03 is: 304,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,282.47 : 604,573.77 = 203,436.03 : x
  2. Step 2: Convert to fraction form
    403,282.47/604,573.77 = 203,436.03/x
  3. Step 3: Cross multiply
    403,282.47x = 604,573.77 × 203,436.03
  4. Step 4: Simplify right side
    403,282.47x = 122,992,087,610.93
  5. Step 5: Solve for x
    x = 122,992,087,610.93/403,282.47
  6. Step 6: Final answer
    x = 304,977.52

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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.