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Finding the Fourth Proportional to 580,608.18, 870,915.34 and 181,215.50

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Solution

The fourth proportional to 580,608.18, 870,915.34 and 181,215.50 is: 271,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,608.18 : 870,915.34 = 181,215.50 : x
  2. Step 2: Convert to fraction form
    580,608.18/870,915.34 = 181,215.50/x
  3. Step 3: Cross multiply
    580,608.18x = 870,915.34 × 181,215.50
  4. Step 4: Simplify right side
    580,608.18x = 157,823,362,016.06
  5. Step 5: Solve for x
    x = 157,823,362,016.06/580,608.18
  6. Step 6: Final answer
    x = 271,824.22

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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.