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Finding the Fourth Proportional to 297,369.28, 410,357.28 and 163,236.16

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Solution

The fourth proportional to 297,369.28, 410,357.28 and 163,236.16 is: 225,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,369.28 : 410,357.28 = 163,236.16 : x
  2. Step 2: Convert to fraction form
    297,369.28/410,357.28 = 163,236.16/x
  3. Step 3: Cross multiply
    297,369.28x = 410,357.28 × 163,236.16
  4. Step 4: Simplify right side
    297,369.28x = 66,985,146,615.24
  5. Step 5: Solve for x
    x = 66,985,146,615.24/297,369.28
  6. Step 6: Final answer
    x = 225,259.13

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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.