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Finding the Fourth Proportional to 443,799.84, 612,396.54 and 262,518.60

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Solution

The fourth proportional to 443,799.84, 612,396.54 and 262,518.60 is: 362,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,799.84 : 612,396.54 = 262,518.60 : x
  2. Step 2: Convert to fraction form
    443,799.84/612,396.54 = 262,518.60/x
  3. Step 3: Cross multiply
    443,799.84x = 612,396.54 × 262,518.60
  4. Step 4: Simplify right side
    443,799.84x = 160,765,482,325.64
  5. Step 5: Solve for x
    x = 160,765,482,325.64/443,799.84
  6. Step 6: Final answer
    x = 362,247.72

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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.