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Finding the Fourth Proportional to 353,108.70, 487,233.63 and 232,298.82

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Solution

The fourth proportional to 353,108.70, 487,233.63 and 232,298.82 is: 320,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,108.70 : 487,233.63 = 232,298.82 : x
  2. Step 2: Convert to fraction form
    353,108.70/487,233.63 = 232,298.82/x
  3. Step 3: Cross multiply
    353,108.70x = 487,233.63 × 232,298.82
  4. Step 4: Simplify right side
    353,108.70x = 113,183,797,313.32
  5. Step 5: Solve for x
    x = 113,183,797,313.32/353,108.70
  6. Step 6: Final answer
    x = 320,535.28

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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.