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Finding the Fourth Proportional to 216,944.30, 325,416.45 and 164,456.30

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Solution

The fourth proportional to 216,944.30, 325,416.45 and 164,456.30 is: 246,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,944.30 : 325,416.45 = 164,456.30 : x
  2. Step 2: Convert to fraction form
    216,944.30/325,416.45 = 164,456.30/x
  3. Step 3: Cross multiply
    216,944.30x = 325,416.45 × 164,456.30
  4. Step 4: Simplify right side
    216,944.30x = 53,516,785,326.14
  5. Step 5: Solve for x
    x = 53,516,785,326.14/216,944.30
  6. Step 6: Final answer
    x = 246,684.45

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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.