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Finding the Fourth Proportional to 338,457.36, 467,086.32 and 187,544.64

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Solution

The fourth proportional to 338,457.36, 467,086.32 and 187,544.64 is: 258,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,457.36 : 467,086.32 = 187,544.64 : x
  2. Step 2: Convert to fraction form
    338,457.36/467,086.32 = 187,544.64/x
  3. Step 3: Cross multiply
    338,457.36x = 467,086.32 × 187,544.64
  4. Step 4: Simplify right side
    338,457.36x = 87,599,535,733.32
  5. Step 5: Solve for x
    x = 87,599,535,733.32/338,457.36
  6. Step 6: Final answer
    x = 258,820.01

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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.