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Finding the Fourth Proportional to 445,119.91, 614,478.35 and 254,096.39

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Solution

The fourth proportional to 445,119.91, 614,478.35 and 254,096.39 is: 350,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,119.91 : 614,478.35 = 254,096.39 : x
  2. Step 2: Convert to fraction form
    445,119.91/614,478.35 = 254,096.39/x
  3. Step 3: Cross multiply
    445,119.91x = 614,478.35 × 254,096.39
  4. Step 4: Simplify right side
    445,119.91x = 156,136,732,639.59
  5. Step 5: Solve for x
    x = 156,136,732,639.59/445,119.91
  6. Step 6: Final answer
    x = 350,774.54

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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.