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Finding the Fourth Proportional to 296,630.12, 409,359.78 and 162,494.12

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Solution

The fourth proportional to 296,630.12, 409,359.78 and 162,494.12 is: 224,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,630.12 : 409,359.78 = 162,494.12 : x
  2. Step 2: Convert to fraction form
    296,630.12/409,359.78 = 162,494.12/x
  3. Step 3: Cross multiply
    296,630.12x = 409,359.78 × 162,494.12
  4. Step 4: Simplify right side
    296,630.12x = 66,518,557,214.49
  5. Step 5: Solve for x
    x = 66,518,557,214.49/296,630.12
  6. Step 6: Final answer
    x = 224,247.48

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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.