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Finding the Fourth Proportional to 458,096.02, 687,132.78 and 177,613.36

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Solution

The fourth proportional to 458,096.02, 687,132.78 and 177,613.36 is: 266,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,096.02 : 687,132.78 = 177,613.36 : x
  2. Step 2: Convert to fraction form
    458,096.02/687,132.78 = 177,613.36/x
  3. Step 3: Cross multiply
    458,096.02x = 687,132.78 × 177,613.36
  4. Step 4: Simplify right side
    458,096.02x = 122,043,961,821.94
  5. Step 5: Solve for x
    x = 122,043,961,821.94/458,096.02
  6. Step 6: Final answer
    x = 266,415.68

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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.