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Finding the Fourth Proportional to 299,594.61, 413,439.90 and 163,628.56

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Solution

The fourth proportional to 299,594.61, 413,439.90 and 163,628.56 is: 225,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,594.61 : 413,439.90 = 163,628.56 : x
  2. Step 2: Convert to fraction form
    299,594.61/413,439.90 = 163,628.56/x
  3. Step 3: Cross multiply
    299,594.61x = 413,439.90 × 163,628.56
  4. Step 4: Simplify right side
    299,594.61x = 67,650,575,483.54
  5. Step 5: Solve for x
    x = 67,650,575,483.54/299,594.61
  6. Step 6: Final answer
    x = 225,807.05

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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.