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Finding the Fourth Proportional to 633,758.54, 874,586.78 and 365,486.54

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Solution

The fourth proportional to 633,758.54, 874,586.78 and 365,486.54 is: 504,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,758.54 : 874,586.78 = 365,486.54 : x
  2. Step 2: Convert to fraction form
    633,758.54/874,586.78 = 365,486.54/x
  3. Step 3: Cross multiply
    633,758.54x = 874,586.78 × 365,486.54
  4. Step 4: Simplify right side
    633,758.54x = 319,649,689,951.58
  5. Step 5: Solve for x
    x = 319,649,689,951.58/633,758.54
  6. Step 6: Final answer
    x = 504,371.42

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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.