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Finding the Fourth Proportional to 262,399.44, 362,085 and 153,487.76

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Solution

The fourth proportional to 262,399.44, 362,085 and 153,487.76 is: 211,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,399.44 : 362,085 = 153,487.76 : x
  2. Step 2: Convert to fraction form
    262,399.44/362,085 = 153,487.76/x
  3. Step 3: Cross multiply
    262,399.44x = 362,085 × 153,487.76
  4. Step 4: Simplify right side
    262,399.44x = 55,575,615,579.60
  5. Step 5: Solve for x
    x = 55,575,615,579.60/262,399.44
  6. Step 6: Final answer
    x = 211,797.77

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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.