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Finding the Fourth Proportional to 333,702.25, 500,549.15 and 80,984.81

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Solution

The fourth proportional to 333,702.25, 500,549.15 and 80,984.81 is: 121,476.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,702.25 : 500,549.15 = 80,984.81 : x
  2. Step 2: Convert to fraction form
    333,702.25/500,549.15 = 80,984.81/x
  3. Step 3: Cross multiply
    333,702.25x = 500,549.15 × 80,984.81
  4. Step 4: Simplify right side
    333,702.25x = 40,536,879,262.25
  5. Step 5: Solve for x
    x = 40,536,879,262.25/333,702.25
  6. Step 6: Final answer
    x = 121,476.19

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Why These Related Problems?

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