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Finding the Fourth Proportional to 302,593.20, 453,889.80 and 208,114.80

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Solution

The fourth proportional to 302,593.20, 453,889.80 and 208,114.80 is: 312,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,593.20 : 453,889.80 = 208,114.80 : x
  2. Step 2: Convert to fraction form
    302,593.20/453,889.80 = 208,114.80/x
  3. Step 3: Cross multiply
    302,593.20x = 453,889.80 × 208,114.80
  4. Step 4: Simplify right side
    302,593.20x = 94,461,184,949.04
  5. Step 5: Solve for x
    x = 94,461,184,949.04/302,593.20
  6. Step 6: Final answer
    x = 312,172.20

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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.