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Finding the Fourth Proportional to 474,267.36, 654,499.44 and 283,244.88

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Solution

The fourth proportional to 474,267.36, 654,499.44 and 283,244.88 is: 390,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,267.36 : 654,499.44 = 283,244.88 : x
  2. Step 2: Convert to fraction form
    474,267.36/654,499.44 = 283,244.88/x
  3. Step 3: Cross multiply
    474,267.36x = 654,499.44 × 283,244.88
  4. Step 4: Simplify right side
    474,267.36x = 185,383,615,342.87
  5. Step 5: Solve for x
    x = 185,383,615,342.87/474,267.36
  6. Step 6: Final answer
    x = 390,884.20

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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.