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Finding the Fourth Proportional to 508,083.52, 701,055.96 and 301,313.62

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Solution

The fourth proportional to 508,083.52, 701,055.96 and 301,313.62 is: 415,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,083.52 : 701,055.96 = 301,313.62 : x
  2. Step 2: Convert to fraction form
    508,083.52/701,055.96 = 301,313.62/x
  3. Step 3: Cross multiply
    508,083.52x = 701,055.96 × 301,313.62
  4. Step 4: Simplify right side
    508,083.52x = 211,237,709,130.18
  5. Step 5: Solve for x
    x = 211,237,709,130.18/508,083.52
  6. Step 6: Final answer
    x = 415,753.91

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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.