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Finding the Fourth Proportional to 661,509.36, 992,264.04 and 162,873.36

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Solution

The fourth proportional to 661,509.36, 992,264.04 and 162,873.36 is: 244,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,509.36 : 992,264.04 = 162,873.36 : x
  2. Step 2: Convert to fraction form
    661,509.36/992,264.04 = 162,873.36/x
  3. Step 3: Cross multiply
    661,509.36x = 992,264.04 × 162,873.36
  4. Step 4: Simplify right side
    661,509.36x = 161,613,378,201.97
  5. Step 5: Solve for x
    x = 161,613,378,201.97/661,509.36
  6. Step 6: Final answer
    x = 244,310.04

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Double scale
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Similar ratio
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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.