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Finding the Fourth Proportional to 560,851.27, 773,970.81 and 306,202.45

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Solution

The fourth proportional to 560,851.27, 773,970.81 and 306,202.45 is: 422,557.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,851.27 : 773,970.81 = 306,202.45 : x
  2. Step 2: Convert to fraction form
    560,851.27/773,970.81 = 306,202.45/x
  3. Step 3: Cross multiply
    560,851.27x = 773,970.81 × 306,202.45
  4. Step 4: Simplify right side
    560,851.27x = 236,991,758,250.49
  5. Step 5: Solve for x
    x = 236,991,758,250.49/560,851.27
  6. Step 6: Final answer
    x = 422,557.23

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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.