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Finding the Fourth Proportional to 540,589.96, 746,029.72 and 298,888.14

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Solution

The fourth proportional to 540,589.96, 746,029.72 and 298,888.14 is: 412,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,589.96 : 746,029.72 = 298,888.14 : x
  2. Step 2: Convert to fraction form
    540,589.96/746,029.72 = 298,888.14/x
  3. Step 3: Cross multiply
    540,589.96x = 746,029.72 × 298,888.14
  4. Step 4: Simplify right side
    540,589.96x = 222,979,435,395.52
  5. Step 5: Solve for x
    x = 222,979,435,395.52/540,589.96
  6. Step 6: Final answer
    x = 412,474.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.