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Finding the Fourth Proportional to 538,705.50, 808,058.26 and 183,722.60

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Solution

The fourth proportional to 538,705.50, 808,058.26 and 183,722.60 is: 275,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,705.50 : 808,058.26 = 183,722.60 : x
  2. Step 2: Convert to fraction form
    538,705.50/808,058.26 = 183,722.60/x
  3. Step 3: Cross multiply
    538,705.50x = 808,058.26 × 183,722.60
  4. Step 4: Simplify right side
    538,705.50x = 148,458,561,539.92
  5. Step 5: Solve for x
    x = 148,458,561,539.92/538,705.50
  6. Step 6: Final answer
    x = 275,583.90

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Similar ratio
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1.5x scale

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.