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Finding the Fourth Proportional to 362,231.80, 543,347.70 and 125,598.40

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Solution

The fourth proportional to 362,231.80, 543,347.70 and 125,598.40 is: 188,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,231.80 : 543,347.70 = 125,598.40 : x
  2. Step 2: Convert to fraction form
    362,231.80/543,347.70 = 125,598.40/x
  3. Step 3: Cross multiply
    362,231.80x = 543,347.70 × 125,598.40
  4. Step 4: Simplify right side
    362,231.80x = 68,243,601,763.68
  5. Step 5: Solve for x
    x = 68,243,601,763.68/362,231.80
  6. Step 6: Final answer
    x = 188,397.60

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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.