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Finding the Fourth Proportional to 294,367.80, 441,418.86 and 83,955.72

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Solution

The fourth proportional to 294,367.80, 441,418.86 and 83,955.72 is: 125,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,367.80 : 441,418.86 = 83,955.72 : x
  2. Step 2: Convert to fraction form
    294,367.80/441,418.86 = 83,955.72/x
  3. Step 3: Cross multiply
    294,367.80x = 441,418.86 × 83,955.72
  4. Step 4: Simplify right side
    294,367.80x = 37,059,638,212.88
  5. Step 5: Solve for x
    x = 37,059,638,212.88/294,367.80
  6. Step 6: Final answer
    x = 125,895.69

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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.