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Finding the Fourth Proportional to 366,911.60, 550,367.40 and 156,570.80

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Solution

The fourth proportional to 366,911.60, 550,367.40 and 156,570.80 is: 234,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,911.60 : 550,367.40 = 156,570.80 : x
  2. Step 2: Convert to fraction form
    366,911.60/550,367.40 = 156,570.80/x
  3. Step 3: Cross multiply
    366,911.60x = 550,367.40 × 156,570.80
  4. Step 4: Simplify right side
    366,911.60x = 86,171,464,111.92
  5. Step 5: Solve for x
    x = 86,171,464,111.92/366,911.60
  6. Step 6: Final answer
    x = 234,856.20

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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.