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Finding the Fourth Proportional to 702,199.44, 969,035.28 and 379,909.32

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Solution

The fourth proportional to 702,199.44, 969,035.28 and 379,909.32 is: 524,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,199.44 : 969,035.28 = 379,909.32 : x
  2. Step 2: Convert to fraction form
    702,199.44/969,035.28 = 379,909.32/x
  3. Step 3: Cross multiply
    702,199.44x = 969,035.28 × 379,909.32
  4. Step 4: Simplify right side
    702,199.44x = 368,145,534,280.81
  5. Step 5: Solve for x
    x = 368,145,534,280.81/702,199.44
  6. Step 6: Final answer
    x = 524,274.89

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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.