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Finding the Fourth Proportional to 365,434.20, 547,373.70 and 303,226.20

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Solution

The fourth proportional to 365,434.20, 547,373.70 and 303,226.20 is: 454,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,434.20 : 547,373.70 = 303,226.20 : x
  2. Step 2: Convert to fraction form
    365,434.20/547,373.70 = 303,226.20/x
  3. Step 3: Cross multiply
    365,434.20x = 547,373.70 × 303,226.20
  4. Step 4: Simplify right side
    365,434.20x = 165,978,047,030.94
  5. Step 5: Solve for x
    x = 165,978,047,030.94/365,434.20
  6. Step 6: Final answer
    x = 454,194.07

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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.