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Finding the Fourth Proportional to 445,123.66, 614,296.61 and 251,526.44

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Solution

The fourth proportional to 445,123.66, 614,296.61 and 251,526.44 is: 347,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,123.66 : 614,296.61 = 251,526.44 : x
  2. Step 2: Convert to fraction form
    445,123.66/614,296.61 = 251,526.44/x
  3. Step 3: Cross multiply
    445,123.66x = 614,296.61 × 251,526.44
  4. Step 4: Simplify right side
    445,123.66x = 154,511,836,624.00
  5. Step 5: Solve for x
    x = 154,511,836,624.00/445,123.66
  6. Step 6: Final answer
    x = 347,121.15

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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.