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Finding the Fourth Proportional to 285,008.58, 393,277.25 and 164,188.98

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Solution

The fourth proportional to 285,008.58, 393,277.25 and 164,188.98 is: 226,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,008.58 : 393,277.25 = 164,188.98 : x
  2. Step 2: Convert to fraction form
    285,008.58/393,277.25 = 164,188.98/x
  3. Step 3: Cross multiply
    285,008.58x = 393,277.25 × 164,188.98
  4. Step 4: Simplify right side
    285,008.58x = 64,571,790,534.71
  5. Step 5: Solve for x
    x = 64,571,790,534.71/285,008.58
  6. Step 6: Final answer
    x = 226,560.87

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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.