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Finding the Fourth Proportional to 319,795.80, 441,319.50 and 174,602.04

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Solution

The fourth proportional to 319,795.80, 441,319.50 and 174,602.04 is: 240,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,795.80 : 441,319.50 = 174,602.04 : x
  2. Step 2: Convert to fraction form
    319,795.80/441,319.50 = 174,602.04/x
  3. Step 3: Cross multiply
    319,795.80x = 441,319.50 × 174,602.04
  4. Step 4: Simplify right side
    319,795.80x = 77,055,284,991.78
  5. Step 5: Solve for x
    x = 77,055,284,991.78/319,795.80
  6. Step 6: Final answer
    x = 240,951.52

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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.