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Finding the Fourth Proportional to 364,959.36, 503,639.16 and 203,817.36

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Solution

The fourth proportional to 364,959.36, 503,639.16 and 203,817.36 is: 281,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,959.36 : 503,639.16 = 203,817.36 : x
  2. Step 2: Convert to fraction form
    364,959.36/503,639.16 = 203,817.36/x
  3. Step 3: Cross multiply
    364,959.36x = 503,639.16 × 203,817.36
  4. Step 4: Simplify right side
    364,959.36x = 102,650,403,983.82
  5. Step 5: Solve for x
    x = 102,650,403,983.82/364,959.36
  6. Step 6: Final answer
    x = 281,265.30

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1.5x scale

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.