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Finding the Fourth Proportional to 313,938.37, 433,240.37 and 170,699.38

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Solution

The fourth proportional to 313,938.37, 433,240.37 and 170,699.38 is: 235,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,938.37 : 433,240.37 = 170,699.38 : x
  2. Step 2: Convert to fraction form
    313,938.37/433,240.37 = 170,699.38/x
  3. Step 3: Cross multiply
    313,938.37x = 433,240.37 × 170,699.38
  4. Step 4: Simplify right side
    313,938.37x = 73,953,861,696.47
  5. Step 5: Solve for x
    x = 73,953,861,696.47/313,938.37
  6. Step 6: Final answer
    x = 235,568.09

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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.