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Finding the Fourth Proportional to 302,084.80, 416,774.98 and 171,248.41

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Solution

The fourth proportional to 302,084.80, 416,774.98 and 171,248.41 is: 236,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,084.80 : 416,774.98 = 171,248.41 : x
  2. Step 2: Convert to fraction form
    302,084.80/416,774.98 = 171,248.41/x
  3. Step 3: Cross multiply
    302,084.80x = 416,774.98 × 171,248.41
  4. Step 4: Simplify right side
    302,084.80x = 71,372,054,078.35
  5. Step 5: Solve for x
    x = 71,372,054,078.35/302,084.80
  6. Step 6: Final answer
    x = 236,264.97

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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.