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Finding the Fourth Proportional to 302,446.45, 417,415.85 and 173,435.41

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Solution

The fourth proportional to 302,446.45, 417,415.85 and 173,435.41 is: 239,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,446.45 : 417,415.85 = 173,435.41 : x
  2. Step 2: Convert to fraction form
    302,446.45/417,415.85 = 173,435.41/x
  3. Step 3: Cross multiply
    302,446.45x = 417,415.85 × 173,435.41
  4. Step 4: Simplify right side
    302,446.45x = 72,394,688,218.07
  5. Step 5: Solve for x
    x = 72,394,688,218.07/302,446.45
  6. Step 6: Final answer
    x = 239,363.66

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1.5x scale

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.