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Finding the Fourth Proportional to 580,382.48, 800,967.50 and 322,272.76

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Solution

The fourth proportional to 580,382.48, 800,967.50 and 322,272.76 is: 444,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,382.48 : 800,967.50 = 322,272.76 : x
  2. Step 2: Convert to fraction form
    580,382.48/800,967.50 = 322,272.76/x
  3. Step 3: Cross multiply
    580,382.48x = 800,967.50 × 322,272.76
  4. Step 4: Simplify right side
    580,382.48x = 258,130,006,895.30
  5. Step 5: Solve for x
    x = 258,130,006,895.30/580,382.48
  6. Step 6: Final answer
    x = 444,758.44

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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.