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Finding the Fourth Proportional to 580,610.12, 870,915.26 and 181,285.10

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Solution

The fourth proportional to 580,610.12, 870,915.26 and 181,285.10 is: 271,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,610.12 : 870,915.26 = 181,285.10 : x
  2. Step 2: Convert to fraction form
    580,610.12/870,915.26 = 181,285.10/x
  3. Step 3: Cross multiply
    580,610.12x = 870,915.26 × 181,285.10
  4. Step 4: Simplify right side
    580,610.12x = 157,883,960,000.63
  5. Step 5: Solve for x
    x = 157,883,960,000.63/580,610.12
  6. Step 6: Final answer
    x = 271,927.67

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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.