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Finding the Fourth Proportional to 362,089.20, 543,133.80 and 194,127.60

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Solution

The fourth proportional to 362,089.20, 543,133.80 and 194,127.60 is: 291,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,089.20 : 543,133.80 = 194,127.60 : x
  2. Step 2: Convert to fraction form
    362,089.20/543,133.80 = 194,127.60/x
  3. Step 3: Cross multiply
    362,089.20x = 543,133.80 × 194,127.60
  4. Step 4: Simplify right side
    362,089.20x = 105,437,261,072.88
  5. Step 5: Solve for x
    x = 105,437,261,072.88/362,089.20
  6. Step 6: Final answer
    x = 291,191.40

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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.