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Finding the Fourth Proportional to 301,339.08, 415,672.56 and 186,636.24

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Solution

The fourth proportional to 301,339.08, 415,672.56 and 186,636.24 is: 257,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,339.08 : 415,672.56 = 186,636.24 : x
  2. Step 2: Convert to fraction form
    301,339.08/415,672.56 = 186,636.24/x
  3. Step 3: Cross multiply
    301,339.08x = 415,672.56 × 186,636.24
  4. Step 4: Simplify right side
    301,339.08x = 77,579,563,669.57
  5. Step 5: Solve for x
    x = 77,579,563,669.57/301,339.08
  6. Step 6: Final answer
    x = 257,449.39

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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.