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Finding the Fourth Proportional to 266,430.92, 367,293.30 and 164,388.20

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Solution

The fourth proportional to 266,430.92, 367,293.30 and 164,388.20 is: 226,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,430.92 : 367,293.30 = 164,388.20 : x
  2. Step 2: Convert to fraction form
    266,430.92/367,293.30 = 164,388.20/x
  3. Step 3: Cross multiply
    266,430.92x = 367,293.30 × 164,388.20
  4. Step 4: Simplify right side
    266,430.92x = 60,378,684,459.06
  5. Step 5: Solve for x
    x = 60,378,684,459.06/266,430.92
  6. Step 6: Final answer
    x = 226,620.41

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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.