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Finding the Fourth Proportional to 362,347.83, 543,518.26 and 220,232.31

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Solution

The fourth proportional to 362,347.83, 543,518.26 and 220,232.31 is: 330,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,347.83 : 543,518.26 = 220,232.31 : x
  2. Step 2: Convert to fraction form
    362,347.83/543,518.26 = 220,232.31/x
  3. Step 3: Cross multiply
    362,347.83x = 543,518.26 × 220,232.31
  4. Step 4: Simplify right side
    362,347.83x = 119,700,283,414.59
  5. Step 5: Solve for x
    x = 119,700,283,414.59/362,347.83
  6. Step 6: Final answer
    x = 330,346.35

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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.