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Finding the Fourth Proportional to 298,328.24, 411,700.56 and 162,369.56

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Solution

The fourth proportional to 298,328.24, 411,700.56 and 162,369.56 is: 224,074.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,328.24 : 411,700.56 = 162,369.56 : x
  2. Step 2: Convert to fraction form
    298,328.24/411,700.56 = 162,369.56/x
  3. Step 3: Cross multiply
    298,328.24x = 411,700.56 × 162,369.56
  4. Step 4: Simplify right side
    298,328.24x = 66,847,638,778.95
  5. Step 5: Solve for x
    x = 66,847,638,778.95/298,328.24
  6. Step 6: Final answer
    x = 224,074.12

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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.