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Finding the Fourth Proportional to 304,649.44, 457,785.20 and 285,496.20

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Solution

The fourth proportional to 304,649.44, 457,785.20 and 285,496.20 is: 429,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,649.44 : 457,785.20 = 285,496.20 : x
  2. Step 2: Convert to fraction form
    304,649.44/457,785.20 = 285,496.20/x
  3. Step 3: Cross multiply
    304,649.44x = 457,785.20 × 285,496.20
  4. Step 4: Simplify right side
    304,649.44x = 130,695,935,016.24
  5. Step 5: Solve for x
    x = 130,695,935,016.24/304,649.44
  6. Step 6: Final answer
    x = 429,004.35

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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.