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Finding the Fourth Proportional to 258,385.68, 356,350.20 and 167,652.24

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Solution

The fourth proportional to 258,385.68, 356,350.20 and 167,652.24 is: 231,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,385.68 : 356,350.20 = 167,652.24 : x
  2. Step 2: Convert to fraction form
    258,385.68/356,350.20 = 167,652.24/x
  3. Step 3: Cross multiply
    258,385.68x = 356,350.20 × 167,652.24
  4. Step 4: Simplify right side
    258,385.68x = 59,742,909,254.45
  5. Step 5: Solve for x
    x = 59,742,909,254.45/258,385.68
  6. Step 6: Final answer
    x = 231,216.02

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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.