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Finding the Fourth Proportional to 484,912.93, 668,527.50 and 339,523.15

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Solution

The fourth proportional to 484,912.93, 668,527.50 and 339,523.15 is: 468,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,912.93 : 668,527.50 = 339,523.15 : x
  2. Step 2: Convert to fraction form
    484,912.93/668,527.50 = 339,523.15/x
  3. Step 3: Cross multiply
    484,912.93x = 668,527.50 × 339,523.15
  4. Step 4: Simplify right side
    484,912.93x = 226,980,562,661.63
  5. Step 5: Solve for x
    x = 226,980,562,661.63/484,912.93
  6. Step 6: Final answer
    x = 468,085.19

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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.