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Finding the Fourth Proportional to 308,427.95, 461,362.46 and 289,532.27

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Solution

The fourth proportional to 308,427.95, 461,362.46 and 289,532.27 is: 433,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,427.95 : 461,362.46 = 289,532.27 : x
  2. Step 2: Convert to fraction form
    308,427.95/461,362.46 = 289,532.27/x
  3. Step 3: Cross multiply
    308,427.95x = 461,362.46 × 289,532.27
  4. Step 4: Simplify right side
    308,427.95x = 133,579,318,753.60
  5. Step 5: Solve for x
    x = 133,579,318,753.60/308,427.95
  6. Step 6: Final answer
    x = 433,097.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.