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Finding the Fourth Proportional to 562,220.28, 775,882.26 and 307,571.47

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Solution

The fourth proportional to 562,220.28, 775,882.26 and 307,571.47 is: 424,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,220.28 : 775,882.26 = 307,571.47 : x
  2. Step 2: Convert to fraction form
    562,220.28/775,882.26 = 307,571.47/x
  3. Step 3: Cross multiply
    562,220.28x = 775,882.26 × 307,571.47
  4. Step 4: Simplify right side
    562,220.28x = 238,639,247,255.12
  5. Step 5: Solve for x
    x = 238,639,247,255.12/562,220.28
  6. Step 6: Final answer
    x = 424,458.63

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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.