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Finding the Fourth Proportional to 626,527.27, 864,608.46 and 340,047.39

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Solution

The fourth proportional to 626,527.27, 864,608.46 and 340,047.39 is: 469,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,527.27 : 864,608.46 = 340,047.39 : x
  2. Step 2: Convert to fraction form
    626,527.27/864,608.46 = 340,047.39/x
  3. Step 3: Cross multiply
    626,527.27x = 864,608.46 × 340,047.39
  4. Step 4: Simplify right side
    626,527.27x = 294,007,848,033.40
  5. Step 5: Solve for x
    x = 294,007,848,033.40/626,527.27
  6. Step 6: Final answer
    x = 469,265.85

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1.5x scale

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.