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Finding the Fourth Proportional to 235,673.28, 353,509.92 and 165,864.24

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Solution

The fourth proportional to 235,673.28, 353,509.92 and 165,864.24 is: 248,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,673.28 : 353,509.92 = 165,864.24 : x
  2. Step 2: Convert to fraction form
    235,673.28/353,509.92 = 165,864.24/x
  3. Step 3: Cross multiply
    235,673.28x = 353,509.92 × 165,864.24
  4. Step 4: Simplify right side
    235,673.28x = 58,634,654,213.26
  5. Step 5: Solve for x
    x = 58,634,654,213.26/235,673.28
  6. Step 6: Final answer
    x = 248,796.36

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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.