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Finding the Fourth Proportional to 292,031.28, 403,016.88 and 164,704.32

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Solution

The fourth proportional to 292,031.28, 403,016.88 and 164,704.32 is: 227,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,031.28 : 403,016.88 = 164,704.32 : x
  2. Step 2: Convert to fraction form
    292,031.28/403,016.88 = 164,704.32/x
  3. Step 3: Cross multiply
    292,031.28x = 403,016.88 × 164,704.32
  4. Step 4: Simplify right side
    292,031.28x = 66,378,621,168.92
  5. Step 5: Solve for x
    x = 66,378,621,168.92/292,031.28
  6. Step 6: Final answer
    x = 227,299.70

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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.