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Finding the Fourth Proportional to 578,491.74, 798,312.51 and 323,845.02

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Solution

The fourth proportional to 578,491.74, 798,312.51 and 323,845.02 is: 446,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,491.74 : 798,312.51 = 323,845.02 : x
  2. Step 2: Convert to fraction form
    578,491.74/798,312.51 = 323,845.02/x
  3. Step 3: Cross multiply
    578,491.74x = 798,312.51 × 323,845.02
  4. Step 4: Simplify right side
    578,491.74x = 258,529,530,767.20
  5. Step 5: Solve for x
    x = 258,529,530,767.20/578,491.74
  6. Step 6: Final answer
    x = 446,902.72

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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.