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Finding the Fourth Proportional to 366,939.35, 550,409.03 and 156,987.35

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Solution

The fourth proportional to 366,939.35, 550,409.03 and 156,987.35 is: 235,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,939.35 : 550,409.03 = 156,987.35 : x
  2. Step 2: Convert to fraction form
    366,939.35/550,409.03 = 156,987.35/x
  3. Step 3: Cross multiply
    366,939.35x = 550,409.03 × 156,987.35
  4. Step 4: Simplify right side
    366,939.35x = 86,407,255,035.77
  5. Step 5: Solve for x
    x = 86,407,255,035.77/366,939.35
  6. Step 6: Final answer
    x = 235,481.03

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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.