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Finding the Fourth Proportional to 445,576.70, 614,839.20 and 254,602.46

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Solution

The fourth proportional to 445,576.70, 614,839.20 and 254,602.46 is: 351,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,576.70 : 614,839.20 = 254,602.46 : x
  2. Step 2: Convert to fraction form
    445,576.70/614,839.20 = 254,602.46/x
  3. Step 3: Cross multiply
    445,576.70x = 614,839.20 × 254,602.46
  4. Step 4: Simplify right side
    445,576.70x = 156,539,572,824.43
  5. Step 5: Solve for x
    x = 156,539,572,824.43/445,576.70
  6. Step 6: Final answer
    x = 351,319.03

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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.