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Finding the Fourth Proportional to 322,348.01, 483,355.08 and 144,702.05

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Solution

The fourth proportional to 322,348.01, 483,355.08 and 144,702.05 is: 216,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,348.01 : 483,355.08 = 144,702.05 : x
  2. Step 2: Convert to fraction form
    322,348.01/483,355.08 = 144,702.05/x
  3. Step 3: Cross multiply
    322,348.01x = 483,355.08 × 144,702.05
  4. Step 4: Simplify right side
    322,348.01x = 69,942,468,537.14
  5. Step 5: Solve for x
    x = 69,942,468,537.14/322,348.01
  6. Step 6: Final answer
    x = 216,978.13

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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.