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Finding the Fourth Proportional to 292,760.16, 404,009.28 and 158,624.16

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Solution

The fourth proportional to 292,760.16, 404,009.28 and 158,624.16 is: 218,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,760.16 : 404,009.28 = 158,624.16 : x
  2. Step 2: Convert to fraction form
    292,760.16/404,009.28 = 158,624.16/x
  3. Step 3: Cross multiply
    292,760.16x = 404,009.28 × 158,624.16
  4. Step 4: Simplify right side
    292,760.16x = 64,085,632,672.20
  5. Step 5: Solve for x
    x = 64,085,632,672.20/292,760.16
  6. Step 6: Final answer
    x = 218,901.48

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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.