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Finding the Fourth Proportional to 581,490.72, 872,067.60 and 226,425.60

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Solution

The fourth proportional to 581,490.72, 872,067.60 and 226,425.60 is: 339,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,490.72 : 872,067.60 = 226,425.60 : x
  2. Step 2: Convert to fraction form
    581,490.72/872,067.60 = 226,425.60/x
  3. Step 3: Cross multiply
    581,490.72x = 872,067.60 × 226,425.60
  4. Step 4: Simplify right side
    581,490.72x = 197,458,429,570.56
  5. Step 5: Solve for x
    x = 197,458,429,570.56/581,490.72
  6. Step 6: Final answer
    x = 339,572.80

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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.