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Finding the Fourth Proportional to 264,768.88, 365,434.20 and 157,318.24

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Solution

The fourth proportional to 264,768.88, 365,434.20 and 157,318.24 is: 217,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,768.88 : 365,434.20 = 157,318.24 : x
  2. Step 2: Convert to fraction form
    264,768.88/365,434.20 = 157,318.24/x
  3. Step 3: Cross multiply
    264,768.88x = 365,434.20 × 157,318.24
  4. Step 4: Simplify right side
    264,768.88x = 57,489,465,179.81
  5. Step 5: Solve for x
    x = 57,489,465,179.81/264,768.88
  6. Step 6: Final answer
    x = 217,130.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.