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Finding the Fourth Proportional to 262,971.36, 362,873.52 and 155,520.41

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Solution

The fourth proportional to 262,971.36, 362,873.52 and 155,520.41 is: 214,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,971.36 : 362,873.52 = 155,520.41 : x
  2. Step 2: Convert to fraction form
    262,971.36/362,873.52 = 155,520.41/x
  3. Step 3: Cross multiply
    262,971.36x = 362,873.52 × 155,520.41
  4. Step 4: Simplify right side
    262,971.36x = 56,434,236,794.18
  5. Step 5: Solve for x
    x = 56,434,236,794.18/262,971.36
  6. Step 6: Final answer
    x = 214,602.22

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1.5x scale

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.