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Finding the Fourth Proportional to 253,304.39, 349,502.83 and 151,309.88

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Solution

The fourth proportional to 253,304.39, 349,502.83 and 151,309.88 is: 208,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,304.39 : 349,502.83 = 151,309.88 : x
  2. Step 2: Convert to fraction form
    253,304.39/349,502.83 = 151,309.88/x
  3. Step 3: Cross multiply
    253,304.39x = 349,502.83 × 151,309.88
  4. Step 4: Simplify right side
    253,304.39x = 52,883,231,762.44
  5. Step 5: Solve for x
    x = 52,883,231,762.44/253,304.39
  6. Step 6: Final answer
    x = 208,773.46

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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.