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Finding the Fourth Proportional to 536,910.92, 805,366.56 and 157,831.64

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Solution

The fourth proportional to 536,910.92, 805,366.56 and 157,831.64 is: 236,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,910.92 : 805,366.56 = 157,831.64 : x
  2. Step 2: Convert to fraction form
    536,910.92/805,366.56 = 157,831.64/x
  3. Step 3: Cross multiply
    536,910.92x = 805,366.56 × 157,831.64
  4. Step 4: Simplify right side
    536,910.92x = 127,112,324,965.96
  5. Step 5: Solve for x
    x = 127,112,324,965.96/536,910.92
  6. Step 6: Final answer
    x = 236,747.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.