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Finding the Fourth Proportional to 365,072.52, 506,377.62 and 355,362.24

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Solution

The fourth proportional to 365,072.52, 506,377.62 and 355,362.24 is: 492,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,072.52 : 506,377.62 = 355,362.24 : x
  2. Step 2: Convert to fraction form
    365,072.52/506,377.62 = 355,362.24/x
  3. Step 3: Cross multiply
    365,072.52x = 506,377.62 × 355,362.24
  4. Step 4: Simplify right side
    365,072.52x = 179,947,487,227.99
  5. Step 5: Solve for x
    x = 179,947,487,227.99/365,072.52
  6. Step 6: Final answer
    x = 492,908.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.