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Finding the Fourth Proportional to 511,235.10, 766,852.65 and 245,514.60

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Solution

The fourth proportional to 511,235.10, 766,852.65 and 245,514.60 is: 368,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,235.10 : 766,852.65 = 245,514.60 : x
  2. Step 2: Convert to fraction form
    511,235.10/766,852.65 = 245,514.60/x
  3. Step 3: Cross multiply
    511,235.10x = 766,852.65 × 245,514.60
  4. Step 4: Simplify right side
    511,235.10x = 188,273,521,623.69
  5. Step 5: Solve for x
    x = 188,273,521,623.69/511,235.10
  6. Step 6: Final answer
    x = 368,271.90

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Similar ratio
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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.