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Finding the Fourth Proportional to 262,597.62, 362,364.24 and 155,147.28

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Solution

The fourth proportional to 262,597.62, 362,364.24 and 155,147.28 is: 214,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,597.62 : 362,364.24 = 155,147.28 : x
  2. Step 2: Convert to fraction form
    262,597.62/362,364.24 = 155,147.28/x
  3. Step 3: Cross multiply
    262,597.62x = 362,364.24 × 155,147.28
  4. Step 4: Simplify right side
    262,597.62x = 56,219,826,205.27
  5. Step 5: Solve for x
    x = 56,219,826,205.27/262,597.62
  6. Step 6: Final answer
    x = 214,091.15

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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.