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Finding the Fourth Proportional to 493,586.22, 740,614.44 and 342,017.04

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Solution

The fourth proportional to 493,586.22, 740,614.44 and 342,017.04 is: 513,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,586.22 : 740,614.44 = 342,017.04 : x
  2. Step 2: Convert to fraction form
    493,586.22/740,614.44 = 342,017.04/x
  3. Step 3: Cross multiply
    493,586.22x = 740,614.44 × 342,017.04
  4. Step 4: Simplify right side
    493,586.22x = 253,302,758,550.06
  5. Step 5: Solve for x
    x = 253,302,758,550.06/493,586.22
  6. Step 6: Final answer
    x = 513,188.47

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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.