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Finding the Fourth Proportional to 468,793.98, 646,936.47 and 253,935.81

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Solution

The fourth proportional to 468,793.98, 646,936.47 and 253,935.81 is: 350,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,793.98 : 646,936.47 = 253,935.81 : x
  2. Step 2: Convert to fraction form
    468,793.98/646,936.47 = 253,935.81/x
  3. Step 3: Cross multiply
    468,793.98x = 646,936.47 × 253,935.81
  4. Step 4: Simplify right side
    468,793.98x = 164,280,336,527.99
  5. Step 5: Solve for x
    x = 164,280,336,527.99/468,793.98
  6. Step 6: Final answer
    x = 350,431.84

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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.