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Finding the Fourth Proportional to 362,534.20, 543,145.20 and 310,046.20

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Solution

The fourth proportional to 362,534.20, 543,145.20 and 310,046.20 is: 464,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,534.20 : 543,145.20 = 310,046.20 : x
  2. Step 2: Convert to fraction form
    362,534.20/543,145.20 = 310,046.20/x
  3. Step 3: Cross multiply
    362,534.20x = 543,145.20 × 310,046.20
  4. Step 4: Simplify right side
    362,534.20x = 168,400,105,308.24
  5. Step 5: Solve for x
    x = 168,400,105,308.24/362,534.20
  6. Step 6: Final answer
    x = 464,508.19

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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.