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Finding the Fourth Proportional to 285,469.99, 393,859.06 and 164,594.90

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Solution

The fourth proportional to 285,469.99, 393,859.06 and 164,594.90 is: 227,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,469.99 : 393,859.06 = 164,594.90 : x
  2. Step 2: Convert to fraction form
    285,469.99/393,859.06 = 164,594.90/x
  3. Step 3: Cross multiply
    285,469.99x = 393,859.06 × 164,594.90
  4. Step 4: Simplify right side
    285,469.99x = 64,827,193,167.95
  5. Step 5: Solve for x
    x = 64,827,193,167.95/285,469.99
  6. Step 6: Final answer
    x = 227,089.35

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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.