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Finding the Fourth Proportional to 301,339.37, 415,820.84 and 178,810.64

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Solution

The fourth proportional to 301,339.37, 415,820.84 and 178,810.64 is: 246,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,339.37 : 415,820.84 = 178,810.64 : x
  2. Step 2: Convert to fraction form
    301,339.37/415,820.84 = 178,810.64/x
  3. Step 3: Cross multiply
    301,339.37x = 415,820.84 × 178,810.64
  4. Step 4: Simplify right side
    301,339.37x = 74,353,187,552.58
  5. Step 5: Solve for x
    x = 74,353,187,552.58/301,339.37
  6. Step 6: Final answer
    x = 246,742.36

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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.