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Finding the Fourth Proportional to 362,216.80, 543,325.20 and 112,898.80

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Solution

The fourth proportional to 362,216.80, 543,325.20 and 112,898.80 is: 169,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,216.80 : 543,325.20 = 112,898.80 : x
  2. Step 2: Convert to fraction form
    362,216.80/543,325.20 = 112,898.80/x
  3. Step 3: Cross multiply
    362,216.80x = 543,325.20 × 112,898.80
  4. Step 4: Simplify right side
    362,216.80x = 61,340,763,089.76
  5. Step 5: Solve for x
    x = 61,340,763,089.76/362,216.80
  6. Step 6: Final answer
    x = 169,348.20

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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.