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Finding the Fourth Proportional to 492,606.02, 739,200.86 and 208,281.04

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Solution

The fourth proportional to 492,606.02, 739,200.86 and 208,281.04 is: 312,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,606.02 : 739,200.86 = 208,281.04 : x
  2. Step 2: Convert to fraction form
    492,606.02/739,200.86 = 208,281.04/x
  3. Step 3: Cross multiply
    492,606.02x = 739,200.86 × 208,281.04
  4. Step 4: Simplify right side
    492,606.02x = 153,961,523,889.69
  5. Step 5: Solve for x
    x = 153,961,523,889.69/492,606.02
  6. Step 6: Final answer
    x = 312,544.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.