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Finding the Fourth Proportional to 302,415.54, 452,513.88 and 252,372.12

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Solution

The fourth proportional to 302,415.54, 452,513.88 and 252,372.12 is: 377,632.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,415.54 : 452,513.88 = 252,372.12 : x
  2. Step 2: Convert to fraction form
    302,415.54/452,513.88 = 252,372.12/x
  3. Step 3: Cross multiply
    302,415.54x = 452,513.88 × 252,372.12
  4. Step 4: Simplify right side
    302,415.54x = 114,201,887,225.03
  5. Step 5: Solve for x
    x = 114,201,887,225.03/302,415.54
  6. Step 6: Final answer
    x = 377,632.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.