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Finding the Fourth Proportional to 319,096.89, 440,347.77 and 173,903.82

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Solution

The fourth proportional to 319,096.89, 440,347.77 and 173,903.82 is: 239,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,096.89 : 440,347.77 = 173,903.82 : x
  2. Step 2: Convert to fraction form
    319,096.89/440,347.77 = 173,903.82/x
  3. Step 3: Cross multiply
    319,096.89x = 440,347.77 × 173,903.82
  4. Step 4: Simplify right side
    319,096.89x = 76,578,159,331.48
  5. Step 5: Solve for x
    x = 76,578,159,331.48/319,096.89
  6. Step 6: Final answer
    x = 239,984.04

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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.