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Finding the Fourth Proportional to 506,608.02, 699,004.62 and 302,619.02

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Solution

The fourth proportional to 506,608.02, 699,004.62 and 302,619.02 is: 417,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,608.02 : 699,004.62 = 302,619.02 : x
  2. Step 2: Convert to fraction form
    506,608.02/699,004.62 = 302,619.02/x
  3. Step 3: Cross multiply
    506,608.02x = 699,004.62 × 302,619.02
  4. Step 4: Simplify right side
    506,608.02x = 211,532,089,584.85
  5. Step 5: Solve for x
    x = 211,532,089,584.85/506,608.02
  6. Step 6: Final answer
    x = 417,545.88

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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.