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Finding the Fourth Proportional to 362,272.77, 543,423.74 and 92,407.91

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Solution

The fourth proportional to 362,272.77, 543,423.74 and 92,407.91 is: 138,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,272.77 : 543,423.74 = 92,407.91 : x
  2. Step 2: Convert to fraction form
    362,272.77/543,423.74 = 92,407.91/x
  3. Step 3: Cross multiply
    362,272.77x = 543,423.74 × 92,407.91
  4. Step 4: Simplify right side
    362,272.77x = 50,216,648,878.63
  5. Step 5: Solve for x
    x = 50,216,648,878.63/362,272.77
  6. Step 6: Final answer
    x = 138,615.58

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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.