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Finding the Fourth Proportional to 351,426.33, 484,605.86 and 300,607.27

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Solution

The fourth proportional to 351,426.33, 484,605.86 and 300,607.27 is: 414,527.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,426.33 : 484,605.86 = 300,607.27 : x
  2. Step 2: Convert to fraction form
    351,426.33/484,605.86 = 300,607.27/x
  3. Step 3: Cross multiply
    351,426.33x = 484,605.86 × 300,607.27
  4. Step 4: Simplify right side
    351,426.33x = 145,676,041,886.05
  5. Step 5: Solve for x
    x = 145,676,041,886.05/351,426.33
  6. Step 6: Final answer
    x = 414,527.97

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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.