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Finding the Fourth Proportional to 319,993.64, 441,582.75 and 176,750.60

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Solution

The fourth proportional to 319,993.64, 441,582.75 and 176,750.60 is: 243,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,993.64 : 441,582.75 = 176,750.60 : x
  2. Step 2: Convert to fraction form
    319,993.64/441,582.75 = 176,750.60/x
  3. Step 3: Cross multiply
    319,993.64x = 441,582.75 × 176,750.60
  4. Step 4: Simplify right side
    319,993.64x = 78,050,016,012.15
  5. Step 5: Solve for x
    x = 78,050,016,012.15/319,993.64
  6. Step 6: Final answer
    x = 243,911.15

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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.