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Finding the Fourth Proportional to 545,882.28, 818,948.04 and 166,856.94

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Solution

The fourth proportional to 545,882.28, 818,948.04 and 166,856.94 is: 250,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,882.28 : 818,948.04 = 166,856.94 : x
  2. Step 2: Convert to fraction form
    545,882.28/818,948.04 = 166,856.94/x
  3. Step 3: Cross multiply
    545,882.28x = 818,948.04 × 166,856.94
  4. Step 4: Simplify right side
    545,882.28x = 136,647,163,973.40
  5. Step 5: Solve for x
    x = 136,647,163,973.40/545,882.28
  6. Step 6: Final answer
    x = 250,323.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.