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Finding the Fourth Proportional to 270,055.80, 404,889.30 and 151,763.40

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Solution

The fourth proportional to 270,055.80, 404,889.30 and 151,763.40 is: 227,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,055.80 : 404,889.30 = 151,763.40 : x
  2. Step 2: Convert to fraction form
    270,055.80/404,889.30 = 151,763.40/x
  3. Step 3: Cross multiply
    270,055.80x = 404,889.30 × 151,763.40
  4. Step 4: Simplify right side
    270,055.80x = 61,447,376,791.62
  5. Step 5: Solve for x
    x = 61,447,376,791.62/270,055.80
  6. Step 6: Final answer
    x = 227,535.85

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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.