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Finding the Fourth Proportional to 319,347.35, 479,048.69 and 116,998.41

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Solution

The fourth proportional to 319,347.35, 479,048.69 and 116,998.41 is: 175,507.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,347.35 : 479,048.69 = 116,998.41 : x
  2. Step 2: Convert to fraction form
    319,347.35/479,048.69 = 116,998.41/x
  3. Step 3: Cross multiply
    319,347.35x = 479,048.69 × 116,998.41
  4. Step 4: Simplify right side
    319,347.35x = 56,047,934,457.59
  5. Step 5: Solve for x
    x = 56,047,934,457.59/319,347.35
  6. Step 6: Final answer
    x = 175,507.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.