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Finding the Fourth Proportional to 566,668.06, 782,015.94 and 308,559.15

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Solution

The fourth proportional to 566,668.06, 782,015.94 and 308,559.15 is: 425,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,668.06 : 782,015.94 = 308,559.15 : x
  2. Step 2: Convert to fraction form
    566,668.06/782,015.94 = 308,559.15/x
  3. Step 3: Cross multiply
    566,668.06x = 782,015.94 × 308,559.15
  4. Step 4: Simplify right side
    566,668.06x = 241,298,174,916.49
  5. Step 5: Solve for x
    x = 241,298,174,916.49/566,668.06
  6. Step 6: Final answer
    x = 425,819.26

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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.