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Finding the Fourth Proportional to 360,339.14, 540,326.24 and 120,367.50

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Solution

The fourth proportional to 360,339.14, 540,326.24 and 120,367.50 is: 180,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,339.14 : 540,326.24 = 120,367.50 : x
  2. Step 2: Convert to fraction form
    360,339.14/540,326.24 = 120,367.50/x
  3. Step 3: Cross multiply
    360,339.14x = 540,326.24 × 120,367.50
  4. Step 4: Simplify right side
    360,339.14x = 65,037,716,516.52
  5. Step 5: Solve for x
    x = 65,037,716,516.52/360,339.14
  6. Step 6: Final answer
    x = 180,490.29

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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.