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Finding the Fourth Proportional to 362,720.20, 543,424.20 and 310,232.20

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Solution

The fourth proportional to 362,720.20, 543,424.20 and 310,232.20 is: 464,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,720.20 : 543,424.20 = 310,232.20 : x
  2. Step 2: Convert to fraction form
    362,720.20/543,424.20 = 310,232.20/x
  3. Step 3: Cross multiply
    362,720.20x = 543,424.20 × 310,232.20
  4. Step 4: Simplify right side
    362,720.20x = 168,587,685,099.24
  5. Step 5: Solve for x
    x = 168,587,685,099.24/362,720.20
  6. Step 6: Final answer
    x = 464,787.14

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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.