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Finding the Fourth Proportional to 580,051.19, 870,076.79 and 180,724.23

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Solution

The fourth proportional to 580,051.19, 870,076.79 and 180,724.23 is: 271,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,051.19 : 870,076.79 = 180,724.23 : x
  2. Step 2: Convert to fraction form
    580,051.19/870,076.79 = 180,724.23/x
  3. Step 3: Cross multiply
    580,051.19x = 870,076.79 × 180,724.23
  4. Step 4: Simplify right side
    580,051.19x = 157,243,957,687.72
  5. Step 5: Solve for x
    x = 157,243,957,687.72/580,051.19
  6. Step 6: Final answer
    x = 271,086.35

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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.