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Finding the Fourth Proportional to 338,441.38, 507,530.84 and 180,583.72

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Solution

The fourth proportional to 338,441.38, 507,530.84 and 180,583.72 is: 270,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,441.38 : 507,530.84 = 180,583.72 : x
  2. Step 2: Convert to fraction form
    338,441.38/507,530.84 = 180,583.72/x
  3. Step 3: Cross multiply
    338,441.38x = 507,530.84 × 180,583.72
  4. Step 4: Simplify right side
    338,441.38x = 91,651,804,930.18
  5. Step 5: Solve for x
    x = 91,651,804,930.18/338,441.38
  6. Step 6: Final answer
    x = 270,805.55

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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.