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Finding the Fourth Proportional to 445,343.08, 614,560.74 and 254,352.52

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Solution

The fourth proportional to 445,343.08, 614,560.74 and 254,352.52 is: 350,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,343.08 : 614,560.74 = 254,352.52 : x
  2. Step 2: Convert to fraction form
    445,343.08/614,560.74 = 254,352.52/x
  3. Step 3: Cross multiply
    445,343.08x = 614,560.74 × 254,352.52
  4. Step 4: Simplify right side
    445,343.08x = 156,315,072,912.07
  5. Step 5: Solve for x
    x = 156,315,072,912.07/445,343.08
  6. Step 6: Final answer
    x = 350,999.22

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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.