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Finding the Fourth Proportional to 443,833.32, 612,603.90 and 273,969.84

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Solution

The fourth proportional to 443,833.32, 612,603.90 and 273,969.84 is: 378,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,833.32 : 612,603.90 = 273,969.84 : x
  2. Step 2: Convert to fraction form
    443,833.32/612,603.90 = 273,969.84/x
  3. Step 3: Cross multiply
    443,833.32x = 612,603.90 × 273,969.84
  4. Step 4: Simplify right side
    443,833.32x = 167,834,992,466.38
  5. Step 5: Solve for x
    x = 167,834,992,466.38/443,833.32
  6. Step 6: Final answer
    x = 378,148.70

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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.