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Finding the Fourth Proportional to 650,885.90, 976,140.33 and 195,458.77

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Solution

The fourth proportional to 650,885.90, 976,140.33 and 195,458.77 is: 293,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,885.90 : 976,140.33 = 195,458.77 : x
  2. Step 2: Convert to fraction form
    650,885.90/976,140.33 = 195,458.77/x
  3. Step 3: Cross multiply
    650,885.90x = 976,140.33 × 195,458.77
  4. Step 4: Simplify right side
    650,885.90x = 190,795,183,368.49
  5. Step 5: Solve for x
    x = 190,795,183,368.49/650,885.90
  6. Step 6: Final answer
    x = 293,131.54

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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.