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Finding the Fourth Proportional to 461,297.34, 692,062.56 and 128,873.34

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Solution

The fourth proportional to 461,297.34, 692,062.56 and 128,873.34 is: 193,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,297.34 : 692,062.56 = 128,873.34 : x
  2. Step 2: Convert to fraction form
    461,297.34/692,062.56 = 128,873.34/x
  3. Step 3: Cross multiply
    461,297.34x = 692,062.56 × 128,873.34
  4. Step 4: Simplify right side
    461,297.34x = 89,188,413,596.15
  5. Step 5: Solve for x
    x = 89,188,413,596.15/461,297.34
  6. Step 6: Final answer
    x = 193,342.57

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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.