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Finding the Fourth Proportional to 535,254.75, 738,651.56 and 296,790.75

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Solution

The fourth proportional to 535,254.75, 738,651.56 and 296,790.75 is: 409,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,254.75 : 738,651.56 = 296,790.75 : x
  2. Step 2: Convert to fraction form
    535,254.75/738,651.56 = 296,790.75/x
  3. Step 3: Cross multiply
    535,254.75x = 738,651.56 × 296,790.75
  4. Step 4: Simplify right side
    535,254.75x = 219,224,948,997.12
  5. Step 5: Solve for x
    x = 219,224,948,997.12/535,254.75
  6. Step 6: Final answer
    x = 409,571.24

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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.