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Finding the Fourth Proportional to 578,492.74, 798,313.89 and 323,846.02

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Solution

The fourth proportional to 578,492.74, 798,313.89 and 323,846.02 is: 446,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,492.74 : 798,313.89 = 323,846.02 : x
  2. Step 2: Convert to fraction form
    578,492.74/798,313.89 = 323,846.02/x
  3. Step 3: Cross multiply
    578,492.74x = 798,313.89 × 323,846.02
  4. Step 4: Simplify right side
    578,492.74x = 258,530,775,987.22
  5. Step 5: Solve for x
    x = 258,530,775,987.22/578,492.74
  6. Step 6: Final answer
    x = 446,904.10

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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.