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Finding the Fourth Proportional to 654,683.80, 982,025.70 and 488,795.80

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Solution

The fourth proportional to 654,683.80, 982,025.70 and 488,795.80 is: 733,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,683.80 : 982,025.70 = 488,795.80 : x
  2. Step 2: Convert to fraction form
    654,683.80/982,025.70 = 488,795.80/x
  3. Step 3: Cross multiply
    654,683.80x = 982,025.70 × 488,795.80
  4. Step 4: Simplify right side
    654,683.80x = 480,010,037,652.06
  5. Step 5: Solve for x
    x = 480,010,037,652.06/654,683.80
  6. Step 6: Final answer
    x = 733,193.70

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Similar ratio
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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.