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Finding the Fourth Proportional to 319,773.51, 441,284.81 and 176,530.50

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Solution

The fourth proportional to 319,773.51, 441,284.81 and 176,530.50 is: 243,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,773.51 : 441,284.81 = 176,530.50 : x
  2. Step 2: Convert to fraction form
    319,773.51/441,284.81 = 176,530.50/x
  3. Step 3: Cross multiply
    319,773.51x = 441,284.81 × 176,530.50
  4. Step 4: Simplify right side
    319,773.51x = 77,900,227,269.05
  5. Step 5: Solve for x
    x = 77,900,227,269.05/319,773.51
  6. Step 6: Final answer
    x = 243,610.63

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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.