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Finding the Fourth Proportional to 511,481.15, 767,442.99 and 274,547.24

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Solution

The fourth proportional to 511,481.15, 767,442.99 and 274,547.24 is: 411,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,481.15 : 767,442.99 = 274,547.24 : x
  2. Step 2: Convert to fraction form
    511,481.15/767,442.99 = 274,547.24/x
  3. Step 3: Cross multiply
    511,481.15x = 767,442.99 × 274,547.24
  4. Step 4: Simplify right side
    511,481.15x = 210,699,353,287.77
  5. Step 5: Solve for x
    x = 210,699,353,287.77/511,481.15
  6. Step 6: Final answer
    x = 411,939.63

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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.