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Finding the Fourth Proportional to 319,074.93, 478,798.43 and 119,535.48

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Solution

The fourth proportional to 319,074.93, 478,798.43 and 119,535.48 is: 179,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,074.93 : 478,798.43 = 119,535.48 : x
  2. Step 2: Convert to fraction form
    319,074.93/478,798.43 = 119,535.48/x
  3. Step 3: Cross multiply
    319,074.93x = 478,798.43 × 119,535.48
  4. Step 4: Simplify right side
    319,074.93x = 57,233,399,555.62
  5. Step 5: Solve for x
    x = 57,233,399,555.62/319,074.93
  6. Step 6: Final answer
    x = 179,372.91

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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.