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Finding the Fourth Proportional to 364,506.39, 503,019.13 and 203,361.47

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Solution

The fourth proportional to 364,506.39, 503,019.13 and 203,361.47 is: 280,639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,506.39 : 503,019.13 = 203,361.47 : x
  2. Step 2: Convert to fraction form
    364,506.39/503,019.13 = 203,361.47/x
  3. Step 3: Cross multiply
    364,506.39x = 503,019.13 × 203,361.47
  4. Step 4: Simplify right side
    364,506.39x = 102,294,709,714.92
  5. Step 5: Solve for x
    x = 102,294,709,714.92/364,506.39
  6. Step 6: Final answer
    x = 280,639.00

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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.