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Finding the Fourth Proportional to 393,033.96, 542,232.90 and 241,868.52

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Solution

The fourth proportional to 393,033.96, 542,232.90 and 241,868.52 is: 333,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,033.96 : 542,232.90 = 241,868.52 : x
  2. Step 2: Convert to fraction form
    393,033.96/542,232.90 = 241,868.52/x
  3. Step 3: Cross multiply
    393,033.96x = 542,232.90 × 241,868.52
  4. Step 4: Simplify right side
    393,033.96x = 131,149,069,018.31
  5. Step 5: Solve for x
    x = 131,149,069,018.31/393,033.96
  6. Step 6: Final answer
    x = 333,683.81

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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.