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Finding the Fourth Proportional to 319,999.30, 441,589.02 and 174,802.76

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Solution

The fourth proportional to 319,999.30, 441,589.02 and 174,802.76 is: 241,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,999.30 : 441,589.02 = 174,802.76 : x
  2. Step 2: Convert to fraction form
    319,999.30/441,589.02 = 174,802.76/x
  3. Step 3: Cross multiply
    319,999.30x = 441,589.02 × 174,802.76
  4. Step 4: Simplify right side
    319,999.30x = 77,190,979,481.70
  5. Step 5: Solve for x
    x = 77,190,979,481.70/319,999.30
  6. Step 6: Final answer
    x = 241,222.34

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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.