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Finding the Fourth Proportional to 445,754.41, 614,991.49 and 254,632.48

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Solution

The fourth proportional to 445,754.41, 614,991.49 and 254,632.48 is: 351,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,754.41 : 614,991.49 = 254,632.48 : x
  2. Step 2: Convert to fraction form
    445,754.41/614,991.49 = 254,632.48/x
  3. Step 3: Cross multiply
    445,754.41x = 614,991.49 × 254,632.48
  4. Step 4: Simplify right side
    445,754.41x = 156,596,808,277.60
  5. Step 5: Solve for x
    x = 156,596,808,277.60/445,754.41
  6. Step 6: Final answer
    x = 351,307.37

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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.