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Finding the Fourth Proportional to 580,285.96, 800,852.16 and 325,638.16

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Solution

The fourth proportional to 580,285.96, 800,852.16 and 325,638.16 is: 449,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,285.96 : 800,852.16 = 325,638.16 : x
  2. Step 2: Convert to fraction form
    580,285.96/800,852.16 = 325,638.16/x
  3. Step 3: Cross multiply
    580,285.96x = 800,852.16 × 325,638.16
  4. Step 4: Simplify right side
    580,285.96x = 260,788,023,033.44
  5. Step 5: Solve for x
    x = 260,788,023,033.44/580,285.96
  6. Step 6: Final answer
    x = 449,412.95

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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.