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Finding the Fourth Proportional to 253,741.48, 380,611.06 and 64,203.64

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Solution

The fourth proportional to 253,741.48, 380,611.06 and 64,203.64 is: 96,305.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,741.48 : 380,611.06 = 64,203.64 : x
  2. Step 2: Convert to fraction form
    253,741.48/380,611.06 = 64,203.64/x
  3. Step 3: Cross multiply
    253,741.48x = 380,611.06 × 64,203.64
  4. Step 4: Simplify right side
    253,741.48x = 24,436,615,476.26
  5. Step 5: Solve for x
    x = 24,436,615,476.26/253,741.48
  6. Step 6: Final answer
    x = 96,305.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.