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Finding the Fourth Proportional to 964,381.86, 1,446,375.15 and 365,136.30

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Solution

The fourth proportional to 964,381.86, 1,446,375.15 and 365,136.30 is: 547,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,381.86 : 1,446,375.15 = 365,136.30 : x
  2. Step 2: Convert to fraction form
    964,381.86/1,446,375.15 = 365,136.30/x
  3. Step 3: Cross multiply
    964,381.86x = 1,446,375.15 × 365,136.30
  4. Step 4: Simplify right side
    964,381.86x = 528,124,070,682.95
  5. Step 5: Solve for x
    x = 528,124,070,682.95/964,381.86
  6. Step 6: Final answer
    x = 547,629.62

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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.