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Finding the Fourth Proportional to 319,237.92, 440,535.06 and 174,040.56

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Solution

The fourth proportional to 319,237.92, 440,535.06 and 174,040.56 is: 240,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,237.92 : 440,535.06 = 174,040.56 : x
  2. Step 2: Convert to fraction form
    319,237.92/440,535.06 = 174,040.56/x
  3. Step 3: Cross multiply
    319,237.92x = 440,535.06 × 174,040.56
  4. Step 4: Simplify right side
    319,237.92x = 76,670,968,542.03
  5. Step 5: Solve for x
    x = 76,670,968,542.03/319,237.92
  6. Step 6: Final answer
    x = 240,168.74

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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.