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Finding the Fourth Proportional to 633,761.52, 874,590.90 and 365,489.52

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Solution

The fourth proportional to 633,761.52, 874,590.90 and 365,489.52 is: 504,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,761.52 : 874,590.90 = 365,489.52 : x
  2. Step 2: Convert to fraction form
    633,761.52/874,590.90 = 365,489.52/x
  3. Step 3: Cross multiply
    633,761.52x = 874,590.90 × 365,489.52
  4. Step 4: Simplify right side
    633,761.52x = 319,653,808,237.37
  5. Step 5: Solve for x
    x = 319,653,808,237.37/633,761.52
  6. Step 6: Final answer
    x = 504,375.54

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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.