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Finding the Fourth Proportional to 324,000.28, 486,069.52 and 124,318.98

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Solution

The fourth proportional to 324,000.28, 486,069.52 and 124,318.98 is: 186,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,000.28 : 486,069.52 = 124,318.98 : x
  2. Step 2: Convert to fraction form
    324,000.28/486,069.52 = 124,318.98/x
  3. Step 3: Cross multiply
    324,000.28x = 486,069.52 × 124,318.98
  4. Step 4: Simplify right side
    324,000.28x = 60,427,666,935.49
  5. Step 5: Solve for x
    x = 60,427,666,935.49/324,000.28
  6. Step 6: Final answer
    x = 186,504.98

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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.