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Finding the Fourth Proportional to 540,588.14, 746,027.21 and 298,886.32

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Solution

The fourth proportional to 540,588.14, 746,027.21 and 298,886.32 is: 412,471.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,588.14 : 746,027.21 = 298,886.32 : x
  2. Step 2: Convert to fraction form
    540,588.14/746,027.21 = 298,886.32/x
  3. Step 3: Cross multiply
    540,588.14x = 746,027.21 × 298,886.32
  4. Step 4: Simplify right side
    540,588.14x = 222,977,329,096.52
  5. Step 5: Solve for x
    x = 222,977,329,096.52/540,588.14
  6. Step 6: Final answer
    x = 412,471.73

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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.