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Finding the Fourth Proportional to 338,671.07, 507,650.97 and 113,953.49

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Solution

The fourth proportional to 338,671.07, 507,650.97 and 113,953.49 is: 170,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,671.07 : 507,650.97 = 113,953.49 : x
  2. Step 2: Convert to fraction form
    338,671.07/507,650.97 = 113,953.49/x
  3. Step 3: Cross multiply
    338,671.07x = 507,650.97 × 113,953.49
  4. Step 4: Simplify right side
    338,671.07x = 57,848,599,733.39
  5. Step 5: Solve for x
    x = 57,848,599,733.39/338,671.07
  6. Step 6: Final answer
    x = 170,810.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.