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Finding the Fourth Proportional to 443,697.72, 612,598.41 and 262,467.84

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Solution

The fourth proportional to 443,697.72, 612,598.41 and 262,467.84 is: 362,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,697.72 : 612,598.41 = 262,467.84 : x
  2. Step 2: Convert to fraction form
    443,697.72/612,598.41 = 262,467.84/x
  3. Step 3: Cross multiply
    443,697.72x = 612,598.41 × 262,467.84
  4. Step 4: Simplify right side
    443,697.72x = 160,787,381,460.13
  5. Step 5: Solve for x
    x = 160,787,381,460.13/443,697.72
  6. Step 6: Final answer
    x = 362,380.45

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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.