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Finding the Fourth Proportional to 369,424.56, 509,794.23 and 208,277.22

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Solution

The fourth proportional to 369,424.56, 509,794.23 and 208,277.22 is: 287,415.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,424.56 : 509,794.23 = 208,277.22 : x
  2. Step 2: Convert to fraction form
    369,424.56/509,794.23 = 208,277.22/x
  3. Step 3: Cross multiply
    369,424.56x = 509,794.23 × 208,277.22
  4. Step 4: Simplify right side
    369,424.56x = 106,178,524,996.44
  5. Step 5: Solve for x
    x = 106,178,524,996.44/369,424.56
  6. Step 6: Final answer
    x = 287,415.99

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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.