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Finding the Fourth Proportional to 511,600.19, 767,269.37 and 151,686.89

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Solution

The fourth proportional to 511,600.19, 767,269.37 and 151,686.89 is: 227,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,600.19 : 767,269.37 = 151,686.89 : x
  2. Step 2: Convert to fraction form
    511,600.19/767,269.37 = 151,686.89/x
  3. Step 3: Cross multiply
    511,600.19x = 767,269.37 × 151,686.89
  4. Step 4: Simplify right side
    511,600.19x = 116,384,699,932.78
  5. Step 5: Solve for x
    x = 116,384,699,932.78/511,600.19
  6. Step 6: Final answer
    x = 227,491.51

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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.