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Finding the Fourth Proportional to 299,628.58, 413,484.69 and 163,662.48

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Solution

The fourth proportional to 299,628.58, 413,484.69 and 163,662.48 is: 225,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,628.58 : 413,484.69 = 163,662.48 : x
  2. Step 2: Convert to fraction form
    299,628.58/413,484.69 = 163,662.48/x
  3. Step 3: Cross multiply
    299,628.58x = 413,484.69 × 163,662.48
  4. Step 4: Simplify right side
    299,628.58x = 67,671,929,807.43
  5. Step 5: Solve for x
    x = 67,671,929,807.43/299,628.58
  6. Step 6: Final answer
    x = 225,852.72

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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.