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Finding the Fourth Proportional to 434,607.76, 599,753.32 and 243,620.88

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Solution

The fourth proportional to 434,607.76, 599,753.32 and 243,620.88 is: 336,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,607.76 : 599,753.32 = 243,620.88 : x
  2. Step 2: Convert to fraction form
    434,607.76/599,753.32 = 243,620.88/x
  3. Step 3: Cross multiply
    434,607.76x = 599,753.32 × 243,620.88
  4. Step 4: Simplify right side
    434,607.76x = 146,112,431,601.32
  5. Step 5: Solve for x
    x = 146,112,431,601.32/434,607.76
  6. Step 6: Final answer
    x = 336,193.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.