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Finding the Fourth Proportional to 340,673.90, 470,025.90 and 197,406.26

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Solution

The fourth proportional to 340,673.90, 470,025.90 and 197,406.26 is: 272,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,673.90 : 470,025.90 = 197,406.26 : x
  2. Step 2: Convert to fraction form
    340,673.90/470,025.90 = 197,406.26/x
  3. Step 3: Cross multiply
    340,673.90x = 470,025.90 × 197,406.26
  4. Step 4: Simplify right side
    340,673.90x = 92,786,055,022.13
  5. Step 5: Solve for x
    x = 92,786,055,022.13/340,673.90
  6. Step 6: Final answer
    x = 272,360.33

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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.