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Finding the Fourth Proportional to 362,893.20, 543,683.70 and 310,405.20

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Solution

The fourth proportional to 362,893.20, 543,683.70 and 310,405.20 is: 465,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,893.20 : 543,683.70 = 310,405.20 : x
  2. Step 2: Convert to fraction form
    362,893.20/543,683.70 = 310,405.20/x
  3. Step 3: Cross multiply
    362,893.20x = 543,683.70 × 310,405.20
  4. Step 4: Simplify right side
    362,893.20x = 168,762,247,635.24
  5. Step 5: Solve for x
    x = 168,762,247,635.24/362,893.20
  6. Step 6: Final answer
    x = 465,046.60

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1.5x scale

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.