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Finding the Fourth Proportional to 254,309.32, 350,837.22 and 153,649

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Solution

The fourth proportional to 254,309.32, 350,837.22 and 153,649 is: 211,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,309.32 : 350,837.22 = 153,649 : x
  2. Step 2: Convert to fraction form
    254,309.32/350,837.22 = 153,649/x
  3. Step 3: Cross multiply
    254,309.32x = 350,837.22 × 153,649
  4. Step 4: Simplify right side
    254,309.32x = 53,905,788,015.78
  5. Step 5: Solve for x
    x = 53,905,788,015.78/254,309.32
  6. Step 6: Final answer
    x = 211,969.38

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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.