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Finding the Fourth Proportional to 340,776.96, 470,253.02 and 187,814.68

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Solution

The fourth proportional to 340,776.96, 470,253.02 and 187,814.68 is: 259,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,776.96 : 470,253.02 = 187,814.68 : x
  2. Step 2: Convert to fraction form
    340,776.96/470,253.02 = 187,814.68/x
  3. Step 3: Cross multiply
    340,776.96x = 470,253.02 × 187,814.68
  4. Step 4: Simplify right side
    340,776.96x = 88,320,420,470.33
  5. Step 5: Solve for x
    x = 88,320,420,470.33/340,776.96
  6. Step 6: Final answer
    x = 259,173.68

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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.