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Finding the Fourth Proportional to 580,381.48, 800,966.12 and 322,271.76

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Solution

The fourth proportional to 580,381.48, 800,966.12 and 322,271.76 is: 444,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,381.48 : 800,966.12 = 322,271.76 : x
  2. Step 2: Convert to fraction form
    580,381.48/800,966.12 = 322,271.76/x
  3. Step 3: Cross multiply
    580,381.48x = 800,966.12 × 322,271.76
  4. Step 4: Simplify right side
    580,381.48x = 258,128,761,192.77
  5. Step 5: Solve for x
    x = 258,128,761,192.77/580,381.48
  6. Step 6: Final answer
    x = 444,757.06

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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.