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Finding the Fourth Proportional to 423,508.66, 634,665.75 and 234,054.34

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Solution

The fourth proportional to 423,508.66, 634,665.75 and 234,054.34 is: 350,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,508.66 : 634,665.75 = 234,054.34 : x
  2. Step 2: Convert to fraction form
    423,508.66/634,665.75 = 234,054.34/x
  3. Step 3: Cross multiply
    423,508.66x = 634,665.75 × 234,054.34
  4. Step 4: Simplify right side
    423,508.66x = 148,546,273,236.86
  5. Step 5: Solve for x
    x = 148,546,273,236.86/423,508.66
  6. Step 6: Final answer
    x = 350,751.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.