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Finding the Fourth Proportional to 333,657.54, 500,486.31 and 84,339.54

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Solution

The fourth proportional to 333,657.54, 500,486.31 and 84,339.54 is: 126,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,657.54 : 500,486.31 = 84,339.54 : x
  2. Step 2: Convert to fraction form
    333,657.54/500,486.31 = 84,339.54/x
  3. Step 3: Cross multiply
    333,657.54x = 500,486.31 × 84,339.54
  4. Step 4: Simplify right side
    333,657.54x = 42,210,785,161.70
  5. Step 5: Solve for x
    x = 42,210,785,161.70/333,657.54
  6. Step 6: Final answer
    x = 126,509.31

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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.