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Finding the Fourth Proportional to 493,268.10, 740,137.12 and 341,698.67

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Solution

The fourth proportional to 493,268.10, 740,137.12 and 341,698.67 is: 512,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,268.10 : 740,137.12 = 341,698.67 : x
  2. Step 2: Convert to fraction form
    493,268.10/740,137.12 = 341,698.67/x
  3. Step 3: Cross multiply
    493,268.10x = 740,137.12 × 341,698.67
  4. Step 4: Simplify right side
    493,268.10x = 252,903,869,521.63
  5. Step 5: Solve for x
    x = 252,903,869,521.63/493,268.10
  6. Step 6: Final answer
    x = 512,710.77

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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.