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Finding the Fourth Proportional to 303,099.25, 418,420.43 and 175,728.37

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Solution

The fourth proportional to 303,099.25, 418,420.43 and 175,728.37 is: 242,588.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,099.25 : 418,420.43 = 175,728.37 : x
  2. Step 2: Convert to fraction form
    303,099.25/418,420.43 = 175,728.37/x
  3. Step 3: Cross multiply
    303,099.25x = 418,420.43 × 175,728.37
  4. Step 4: Simplify right side
    303,099.25x = 73,528,339,531.87
  5. Step 5: Solve for x
    x = 73,528,339,531.87/303,099.25
  6. Step 6: Final answer
    x = 242,588.33

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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.