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Finding the Fourth Proportional to 350,651.79, 483,675.05 and 243,182.61

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Solution

The fourth proportional to 350,651.79, 483,675.05 and 243,182.61 is: 335,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,651.79 : 483,675.05 = 243,182.61 : x
  2. Step 2: Convert to fraction form
    350,651.79/483,675.05 = 243,182.61/x
  3. Step 3: Cross multiply
    350,651.79x = 483,675.05 × 243,182.61
  4. Step 4: Simplify right side
    350,651.79x = 117,621,359,834.97
  5. Step 5: Solve for x
    x = 117,621,359,834.97/350,651.79
  6. Step 6: Final answer
    x = 335,436.36

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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.