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Finding the Fourth Proportional to 253,877.22, 350,256.78 and 151,905.06

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Solution

The fourth proportional to 253,877.22, 350,256.78 and 151,905.06 is: 209,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,877.22 : 350,256.78 = 151,905.06 : x
  2. Step 2: Convert to fraction form
    253,877.22/350,256.78 = 151,905.06/x
  3. Step 3: Cross multiply
    253,877.22x = 350,256.78 × 151,905.06
  4. Step 4: Simplify right side
    253,877.22x = 53,205,777,181.31
  5. Step 5: Solve for x
    x = 53,205,777,181.31/253,877.22
  6. Step 6: Final answer
    x = 209,572.87

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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.