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Finding the Fourth Proportional to 579,885.53, 800,281.98 and 325,253.12

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Solution

The fourth proportional to 579,885.53, 800,281.98 and 325,253.12 is: 448,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,885.53 : 800,281.98 = 325,253.12 : x
  2. Step 2: Convert to fraction form
    579,885.53/800,281.98 = 325,253.12/x
  3. Step 3: Cross multiply
    579,885.53x = 800,281.98 × 325,253.12
  4. Step 4: Simplify right side
    579,885.53x = 260,294,206,873.37
  5. Step 5: Solve for x
    x = 260,294,206,873.37/579,885.53
  6. Step 6: Final answer
    x = 448,871.71

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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.