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Finding the Fourth Proportional to 258,090.90, 356,204.22 and 185,733.34

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Solution

The fourth proportional to 258,090.90, 356,204.22 and 185,733.34 is: 256,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,090.90 : 356,204.22 = 185,733.34 : x
  2. Step 2: Convert to fraction form
    258,090.90/356,204.22 = 185,733.34/x
  3. Step 3: Cross multiply
    258,090.90x = 356,204.22 × 185,733.34
  4. Step 4: Simplify right side
    258,090.90x = 66,158,999,502.69
  5. Step 5: Solve for x
    x = 66,158,999,502.69/258,090.90
  6. Step 6: Final answer
    x = 256,339.92

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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.