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Finding the Fourth Proportional to 511,409.52, 767,200.32 and 156,340.44

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Solution

The fourth proportional to 511,409.52, 767,200.32 and 156,340.44 is: 234,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,409.52 : 767,200.32 = 156,340.44 : x
  2. Step 2: Convert to fraction form
    511,409.52/767,200.32 = 156,340.44/x
  3. Step 3: Cross multiply
    511,409.52x = 767,200.32 × 156,340.44
  4. Step 4: Simplify right side
    511,409.52x = 119,944,435,596.94
  5. Step 5: Solve for x
    x = 119,944,435,596.94/511,409.52
  6. Step 6: Final answer
    x = 234,536.96

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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.