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Finding the Fourth Proportional to 445,344.84, 614,509.02 and 254,317.80

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Solution

The fourth proportional to 445,344.84, 614,509.02 and 254,317.80 is: 350,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,344.84 : 614,509.02 = 254,317.80 : x
  2. Step 2: Convert to fraction form
    445,344.84/614,509.02 = 254,317.80/x
  3. Step 3: Cross multiply
    445,344.84x = 614,509.02 × 254,317.80
  4. Step 4: Simplify right side
    445,344.84x = 156,280,582,046.56
  5. Step 5: Solve for x
    x = 156,280,582,046.56/445,344.84
  6. Step 6: Final answer
    x = 350,920.38

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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.