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Finding the Fourth Proportional to 253,224.14, 349,422.64 and 151,235.44

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Solution

The fourth proportional to 253,224.14, 349,422.64 and 151,235.44 is: 208,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,224.14 : 349,422.64 = 151,235.44 : x
  2. Step 2: Convert to fraction form
    253,224.14/349,422.64 = 151,235.44/x
  3. Step 3: Cross multiply
    253,224.14x = 349,422.64 × 151,235.44
  4. Step 4: Simplify right side
    253,224.14x = 52,845,086,706.36
  5. Step 5: Solve for x
    x = 52,845,086,706.36/253,224.14
  6. Step 6: Final answer
    x = 208,688.98

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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.