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Finding the Fourth Proportional to 307,226.60, 460,839.90 and 254,695.40

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Solution

The fourth proportional to 307,226.60, 460,839.90 and 254,695.40 is: 382,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,226.60 : 460,839.90 = 254,695.40 : x
  2. Step 2: Convert to fraction form
    307,226.60/460,839.90 = 254,695.40/x
  3. Step 3: Cross multiply
    307,226.60x = 460,839.90 × 254,695.40
  4. Step 4: Simplify right side
    307,226.60x = 117,373,802,666.46
  5. Step 5: Solve for x
    x = 117,373,802,666.46/307,226.60
  6. Step 6: Final answer
    x = 382,043.10

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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.