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Finding the Fourth Proportional to 431,174.32, 595,038.96 and 240,187.84

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Solution

The fourth proportional to 431,174.32, 595,038.96 and 240,187.84 is: 331,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,174.32 : 595,038.96 = 240,187.84 : x
  2. Step 2: Convert to fraction form
    431,174.32/595,038.96 = 240,187.84/x
  3. Step 3: Cross multiply
    431,174.32x = 595,038.96 × 240,187.84
  4. Step 4: Simplify right side
    431,174.32x = 142,921,122,518.25
  5. Step 5: Solve for x
    x = 142,921,122,518.25/431,174.32
  6. Step 6: Final answer
    x = 331,469.47

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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.