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Finding the Fourth Proportional to 353,618.40, 529,844.40 and 303,463.20

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Solution

The fourth proportional to 353,618.40, 529,844.40 and 303,463.20 is: 454,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,618.40 : 529,844.40 = 303,463.20 : x
  2. Step 2: Convert to fraction form
    353,618.40/529,844.40 = 303,463.20/x
  3. Step 3: Cross multiply
    353,618.40x = 529,844.40 × 303,463.20
  4. Step 4: Simplify right side
    353,618.40x = 160,788,277,126.08
  5. Step 5: Solve for x
    x = 160,788,277,126.08/353,618.40
  6. Step 6: Final answer
    x = 454,694.32

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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.