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Finding the Fourth Proportional to 214,720.60, 322,080.90 and 202,473.40

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Solution

The fourth proportional to 214,720.60, 322,080.90 and 202,473.40 is: 303,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,720.60 : 322,080.90 = 202,473.40 : x
  2. Step 2: Convert to fraction form
    214,720.60/322,080.90 = 202,473.40/x
  3. Step 3: Cross multiply
    214,720.60x = 322,080.90 × 202,473.40
  4. Step 4: Simplify right side
    214,720.60x = 65,212,814,898.06
  5. Step 5: Solve for x
    x = 65,212,814,898.06/214,720.60
  6. Step 6: Final answer
    x = 303,710.10

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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.