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Finding the Fourth Proportional to 351,860.74, 528,522.22 and 284,468.92

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Solution

The fourth proportional to 351,860.74, 528,522.22 and 284,468.92 is: 427,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,860.74 : 528,522.22 = 284,468.92 : x
  2. Step 2: Convert to fraction form
    351,860.74/528,522.22 = 284,468.92/x
  3. Step 3: Cross multiply
    351,860.74x = 528,522.22 × 284,468.92
  4. Step 4: Simplify right side
    351,860.74x = 150,348,145,119.40
  5. Step 5: Solve for x
    x = 150,348,145,119.40/351,860.74
  6. Step 6: Final answer
    x = 427,294.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.