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Finding the Fourth Proportional to 362,080.70, 543,121.05 and 194,119.10

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Solution

The fourth proportional to 362,080.70, 543,121.05 and 194,119.10 is: 291,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,080.70 : 543,121.05 = 194,119.10 : x
  2. Step 2: Convert to fraction form
    362,080.70/543,121.05 = 194,119.10/x
  3. Step 3: Cross multiply
    362,080.70x = 543,121.05 × 194,119.10
  4. Step 4: Simplify right side
    362,080.70x = 105,430,169,417.06
  5. Step 5: Solve for x
    x = 105,430,169,417.06/362,080.70
  6. Step 6: Final answer
    x = 291,178.65

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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.