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Finding the Fourth Proportional to 299,036.76, 412,667.46 and 163,070.28

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Solution

The fourth proportional to 299,036.76, 412,667.46 and 163,070.28 is: 225,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,036.76 : 412,667.46 = 163,070.28 : x
  2. Step 2: Convert to fraction form
    299,036.76/412,667.46 = 163,070.28/x
  3. Step 3: Cross multiply
    299,036.76x = 412,667.46 × 163,070.28
  4. Step 4: Simplify right side
    299,036.76x = 67,293,798,249.09
  5. Step 5: Solve for x
    x = 67,293,798,249.09/299,036.76
  6. Step 6: Final answer
    x = 225,035.20

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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.