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Finding the Fourth Proportional to 508,477.41, 701,696.84 and 279,038.52

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Solution

The fourth proportional to 508,477.41, 701,696.84 and 279,038.52 is: 385,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,477.41 : 701,696.84 = 279,038.52 : x
  2. Step 2: Convert to fraction form
    508,477.41/701,696.84 = 279,038.52/x
  3. Step 3: Cross multiply
    508,477.41x = 701,696.84 × 279,038.52
  4. Step 4: Simplify right side
    508,477.41x = 195,800,446,327.08
  5. Step 5: Solve for x
    x = 195,800,446,327.08/508,477.41
  6. Step 6: Final answer
    x = 385,072.07

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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.