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Finding the Fourth Proportional to 353,133.52, 487,401.65 and 232,286.74

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Solution

The fourth proportional to 353,133.52, 487,401.65 and 232,286.74 is: 320,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,133.52 : 487,401.65 = 232,286.74 : x
  2. Step 2: Convert to fraction form
    353,133.52/487,401.65 = 232,286.74/x
  3. Step 3: Cross multiply
    353,133.52x = 487,401.65 × 232,286.74
  4. Step 4: Simplify right side
    353,133.52x = 113,216,940,146.87
  5. Step 5: Solve for x
    x = 113,216,940,146.87/353,133.52
  6. Step 6: Final answer
    x = 320,606.61

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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.