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Finding the Fourth Proportional to 416,670.90, 624,173.88 and 191,722.92

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Solution

The fourth proportional to 416,670.90, 624,173.88 and 191,722.92 is: 287,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,670.90 : 624,173.88 = 191,722.92 : x
  2. Step 2: Convert to fraction form
    416,670.90/624,173.88 = 191,722.92/x
  3. Step 3: Cross multiply
    416,670.90x = 624,173.88 × 191,722.92
  4. Step 4: Simplify right side
    416,670.90x = 119,668,438,861.33
  5. Step 5: Solve for x
    x = 119,668,438,861.33/416,670.90
  6. Step 6: Final answer
    x = 287,201.34

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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.