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Finding the Fourth Proportional to 319,352.56, 440,192.54 and 233,174.90

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Solution

The fourth proportional to 319,352.56, 440,192.54 and 233,174.90 is: 321,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,352.56 : 440,192.54 = 233,174.90 : x
  2. Step 2: Convert to fraction form
    319,352.56/440,192.54 = 233,174.90/x
  3. Step 3: Cross multiply
    319,352.56x = 440,192.54 × 233,174.90
  4. Step 4: Simplify right side
    319,352.56x = 102,641,853,178.67
  5. Step 5: Solve for x
    x = 102,641,853,178.67/319,352.56
  6. Step 6: Final answer
    x = 321,406.08

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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.