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Finding the Fourth Proportional to 273,920.32, 410,973.88 and 147,573.52

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Solution

The fourth proportional to 273,920.32, 410,973.88 and 147,573.52 is: 221,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,920.32 : 410,973.88 = 147,573.52 : x
  2. Step 2: Convert to fraction form
    273,920.32/410,973.88 = 147,573.52/x
  3. Step 3: Cross multiply
    273,920.32x = 410,973.88 × 147,573.52
  4. Step 4: Simplify right side
    273,920.32x = 60,648,862,099.66
  5. Step 5: Solve for x
    x = 60,648,862,099.66/273,920.32
  6. Step 6: Final answer
    x = 221,410.60

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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.