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Finding the Fourth Proportional to 508,678.02, 701,949.48 and 301,955.09

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Solution

The fourth proportional to 508,678.02, 701,949.48 and 301,955.09 is: 416,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,678.02 : 701,949.48 = 301,955.09 : x
  2. Step 2: Convert to fraction form
    508,678.02/701,949.48 = 301,955.09/x
  3. Step 3: Cross multiply
    508,678.02x = 701,949.48 × 301,955.09
  4. Step 4: Simplify right side
    508,678.02x = 211,957,214,899.11
  5. Step 5: Solve for x
    x = 211,957,214,899.11/508,678.02
  6. Step 6: Final answer
    x = 416,682.47

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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.