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Finding the Fourth Proportional to 270,400.68, 373,143.54 and 155,675.52

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Solution

The fourth proportional to 270,400.68, 373,143.54 and 155,675.52 is: 214,826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,400.68 : 373,143.54 = 155,675.52 : x
  2. Step 2: Convert to fraction form
    270,400.68/373,143.54 = 155,675.52/x
  3. Step 3: Cross multiply
    270,400.68x = 373,143.54 × 155,675.52
  4. Step 4: Simplify right side
    270,400.68x = 58,089,314,624.14
  5. Step 5: Solve for x
    x = 58,089,314,624.14/270,400.68
  6. Step 6: Final answer
    x = 214,826.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.