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Finding the Fourth Proportional to 443,832.32, 612,602.52 and 273,968.84

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Solution

The fourth proportional to 443,832.32, 612,602.52 and 273,968.84 is: 378,147.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,832.32 : 612,602.52 = 273,968.84 : x
  2. Step 2: Convert to fraction form
    443,832.32/612,602.52 = 273,968.84/x
  3. Step 3: Cross multiply
    443,832.32x = 612,602.52 × 273,968.84
  4. Step 4: Simplify right side
    443,832.32x = 167,834,001,785.48
  5. Step 5: Solve for x
    x = 167,834,001,785.48/443,832.32
  6. Step 6: Final answer
    x = 378,147.32

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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.