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Finding the Fourth Proportional to 293,605.60, 405,148.08 and 203,058.40

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Solution

The fourth proportional to 293,605.60, 405,148.08 and 203,058.40 is: 280,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,605.60 : 405,148.08 = 203,058.40 : x
  2. Step 2: Convert to fraction form
    293,605.60/405,148.08 = 203,058.40/x
  3. Step 3: Cross multiply
    293,605.60x = 405,148.08 × 203,058.40
  4. Step 4: Simplify right side
    293,605.60x = 82,268,720,887.87
  5. Step 5: Solve for x
    x = 82,268,720,887.87/293,605.60
  6. Step 6: Final answer
    x = 280,201.47

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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.