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Finding the Fourth Proportional to 443,901.44, 612,586.56 and 242,697.44

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Solution

The fourth proportional to 443,901.44, 612,586.56 and 242,697.44 is: 334,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,901.44 : 612,586.56 = 242,697.44 : x
  2. Step 2: Convert to fraction form
    443,901.44/612,586.56 = 242,697.44/x
  3. Step 3: Cross multiply
    443,901.44x = 612,586.56 × 242,697.44
  4. Step 4: Simplify right side
    443,901.44x = 148,673,189,890.41
  5. Step 5: Solve for x
    x = 148,673,189,890.41/443,901.44
  6. Step 6: Final answer
    x = 334,923.87

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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.