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Finding the Fourth Proportional to 300,326.40, 450,555.84 and 113,339.52

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Solution

The fourth proportional to 300,326.40, 450,555.84 and 113,339.52 is: 170,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,326.40 : 450,555.84 = 113,339.52 : x
  2. Step 2: Convert to fraction form
    300,326.40/450,555.84 = 113,339.52/x
  3. Step 3: Cross multiply
    300,326.40x = 450,555.84 × 113,339.52
  4. Step 4: Simplify right side
    300,326.40x = 51,065,782,638.80
  5. Step 5: Solve for x
    x = 51,065,782,638.80/300,326.40
  6. Step 6: Final answer
    x = 170,034.28

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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.