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Finding the Fourth Proportional to 298,529.63, 411,960.02 and 162,560.60

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Solution

The fourth proportional to 298,529.63, 411,960.02 and 162,560.60 is: 224,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,529.63 : 411,960.02 = 162,560.60 : x
  2. Step 2: Convert to fraction form
    298,529.63/411,960.02 = 162,560.60/x
  3. Step 3: Cross multiply
    298,529.63x = 411,960.02 × 162,560.60
  4. Step 4: Simplify right side
    298,529.63x = 66,968,467,309.06
  5. Step 5: Solve for x
    x = 66,968,467,309.06/298,529.63
  6. Step 6: Final answer
    x = 224,327.70

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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.