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Finding the Fourth Proportional to 415,941.40, 574,069.71 and 234,704.71

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Solution

The fourth proportional to 415,941.40, 574,069.71 and 234,704.71 is: 323,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,941.40 : 574,069.71 = 234,704.71 : x
  2. Step 2: Convert to fraction form
    415,941.40/574,069.71 = 234,704.71/x
  3. Step 3: Cross multiply
    415,941.40x = 574,069.71 × 234,704.71
  4. Step 4: Simplify right side
    415,941.40x = 134,736,864,805.33
  5. Step 5: Solve for x
    x = 134,736,864,805.33/415,941.40
  6. Step 6: Final answer
    x = 323,932.33

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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.