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Finding the Fourth Proportional to 452,709.68, 624,702.79 and 261,735.37

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Solution

The fourth proportional to 452,709.68, 624,702.79 and 261,735.37 is: 361,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,709.68 : 624,702.79 = 261,735.37 : x
  2. Step 2: Convert to fraction form
    452,709.68/624,702.79 = 261,735.37/x
  3. Step 3: Cross multiply
    452,709.68x = 624,702.79 × 261,735.37
  4. Step 4: Simplify right side
    452,709.68x = 163,506,816,988.73
  5. Step 5: Solve for x
    x = 163,506,816,988.73/452,709.68
  6. Step 6: Final answer
    x = 361,173.67

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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.