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Finding the Fourth Proportional to 511,556.33, 767,123.37 and 174,624.15

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Solution

The fourth proportional to 511,556.33, 767,123.37 and 174,624.15 is: 261,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,556.33 : 767,123.37 = 174,624.15 : x
  2. Step 2: Convert to fraction form
    511,556.33/767,123.37 = 174,624.15/x
  3. Step 3: Cross multiply
    511,556.33x = 767,123.37 × 174,624.15
  4. Step 4: Simplify right side
    511,556.33x = 133,958,264,501.90
  5. Step 5: Solve for x
    x = 133,958,264,501.90/511,556.33
  6. Step 6: Final answer
    x = 261,864.15

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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.