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Finding the Fourth Proportional to 531,834.32, 734,049.71 and 338,202.80

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Solution

The fourth proportional to 531,834.32, 734,049.71 and 338,202.80 is: 466,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,834.32 : 734,049.71 = 338,202.80 : x
  2. Step 2: Convert to fraction form
    531,834.32/734,049.71 = 338,202.80/x
  3. Step 3: Cross multiply
    531,834.32x = 734,049.71 × 338,202.80
  4. Step 4: Simplify right side
    531,834.32x = 248,257,661,899.93
  5. Step 5: Solve for x
    x = 248,257,661,899.93/531,834.32
  6. Step 6: Final answer
    x = 466,795.12

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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.