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Finding the Fourth Proportional to 443,396.50, 611,902.29 and 242,205.46

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Solution

The fourth proportional to 443,396.50, 611,902.29 and 242,205.46 is: 334,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,396.50 : 611,902.29 = 242,205.46 : x
  2. Step 2: Convert to fraction form
    443,396.50/611,902.29 = 242,205.46/x
  3. Step 3: Cross multiply
    443,396.50x = 611,902.29 × 242,205.46
  4. Step 4: Simplify right side
    443,396.50x = 148,206,075,624.50
  5. Step 5: Solve for x
    x = 148,206,075,624.50/443,396.50
  6. Step 6: Final answer
    x = 334,251.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.