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Finding the Fourth Proportional to 340,574.96, 470,008.03 and 189,671.96

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Solution

The fourth proportional to 340,574.96, 470,008.03 and 189,671.96 is: 261,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,574.96 : 470,008.03 = 189,671.96 : x
  2. Step 2: Convert to fraction form
    340,574.96/470,008.03 = 189,671.96/x
  3. Step 3: Cross multiply
    340,574.96x = 470,008.03 × 189,671.96
  4. Step 4: Simplify right side
    340,574.96x = 89,147,343,317.48
  5. Step 5: Solve for x
    x = 89,147,343,317.48/340,574.96
  6. Step 6: Final answer
    x = 261,755.42

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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.