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Finding the Fourth Proportional to 313,812.63, 433,062.45 and 170,573.24

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Solution

The fourth proportional to 313,812.63, 433,062.45 and 170,573.24 is: 235,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,812.63 : 433,062.45 = 170,573.24 : x
  2. Step 2: Convert to fraction form
    313,812.63/433,062.45 = 170,573.24/x
  3. Step 3: Cross multiply
    313,812.63x = 433,062.45 × 170,573.24
  4. Step 4: Simplify right side
    313,812.63x = 73,868,866,301.49
  5. Step 5: Solve for x
    x = 73,868,866,301.49/313,812.63
  6. Step 6: Final answer
    x = 235,391.63

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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.