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Finding the Fourth Proportional to 302,766.75, 417,818.13 and 168,630.75

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Solution

The fourth proportional to 302,766.75, 417,818.13 and 168,630.75 is: 232,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,766.75 : 417,818.13 = 168,630.75 : x
  2. Step 2: Convert to fraction form
    302,766.75/417,818.13 = 168,630.75/x
  3. Step 3: Cross multiply
    302,766.75x = 417,818.13 × 168,630.75
  4. Step 4: Simplify right side
    302,766.75x = 70,456,984,625.50
  5. Step 5: Solve for x
    x = 70,456,984,625.50/302,766.75
  6. Step 6: Final answer
    x = 232,710.44

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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.