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Finding the Fourth Proportional to 340,638.54, 470,058.67 and 204,591.64

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Solution

The fourth proportional to 340,638.54, 470,058.67 and 204,591.64 is: 282,322.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,638.54 : 470,058.67 = 204,591.64 : x
  2. Step 2: Convert to fraction form
    340,638.54/470,058.67 = 204,591.64/x
  3. Step 3: Cross multiply
    340,638.54x = 470,058.67 × 204,591.64
  4. Step 4: Simplify right side
    340,638.54x = 96,170,074,191.52
  5. Step 5: Solve for x
    x = 96,170,074,191.52/340,638.54
  6. Step 6: Final answer
    x = 282,322.94

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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.