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Finding the Fourth Proportional to 302,486.95, 417,385.73 and 175,137.94

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Solution

The fourth proportional to 302,486.95, 417,385.73 and 175,137.94 is: 241,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,486.95 : 417,385.73 = 175,137.94 : x
  2. Step 2: Convert to fraction form
    302,486.95/417,385.73 = 175,137.94/x
  3. Step 3: Cross multiply
    302,486.95x = 417,385.73 × 175,137.94
  4. Step 4: Simplify right side
    302,486.95x = 73,100,076,331.98
  5. Step 5: Solve for x
    x = 73,100,076,331.98/302,486.95
  6. Step 6: Final answer
    x = 241,663.57

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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.