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Finding the Fourth Proportional to 606,299.63, 909,445.79 and 157,019.36

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Solution

The fourth proportional to 606,299.63, 909,445.79 and 157,019.36 is: 235,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,299.63 : 909,445.79 = 157,019.36 : x
  2. Step 2: Convert to fraction form
    606,299.63/909,445.79 = 157,019.36/x
  3. Step 3: Cross multiply
    606,299.63x = 909,445.79 × 157,019.36
  4. Step 4: Simplify right side
    606,299.63x = 142,800,591,745.81
  5. Step 5: Solve for x
    x = 142,800,591,745.81/606,299.63
  6. Step 6: Final answer
    x = 235,528.09

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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.