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Finding the Fourth Proportional to 297,312.57, 410,632.20 and 195,792.03

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Solution

The fourth proportional to 297,312.57, 410,632.20 and 195,792.03 is: 270,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,312.57 : 410,632.20 = 195,792.03 : x
  2. Step 2: Convert to fraction form
    297,312.57/410,632.20 = 195,792.03/x
  3. Step 3: Cross multiply
    297,312.57x = 410,632.20 × 195,792.03
  4. Step 4: Simplify right side
    297,312.57x = 80,398,512,021.37
  5. Step 5: Solve for x
    x = 80,398,512,021.37/297,312.57
  6. Step 6: Final answer
    x = 270,417.47

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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.