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Finding the Fourth Proportional to 335,096.32, 502,644.16 and 85,777.92

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Solution

The fourth proportional to 335,096.32, 502,644.16 and 85,777.92 is: 128,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,096.32 : 502,644.16 = 85,777.92 : x
  2. Step 2: Convert to fraction form
    335,096.32/502,644.16 = 85,777.92/x
  3. Step 3: Cross multiply
    335,096.32x = 502,644.16 × 85,777.92
  4. Step 4: Simplify right side
    335,096.32x = 43,115,770,544.95
  5. Step 5: Solve for x
    x = 43,115,770,544.95/335,096.32
  6. Step 6: Final answer
    x = 128,666.80

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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.