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Finding the Fourth Proportional to 578,352.96, 798,126.96 and 323,704.14

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Solution

The fourth proportional to 578,352.96, 798,126.96 and 323,704.14 is: 446,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,352.96 : 798,126.96 = 323,704.14 : x
  2. Step 2: Convert to fraction form
    578,352.96/798,126.96 = 323,704.14/x
  3. Step 3: Cross multiply
    578,352.96x = 798,126.96 × 323,704.14
  4. Step 4: Simplify right side
    578,352.96x = 258,357,001,197.61
  5. Step 5: Solve for x
    x = 258,357,001,197.61/578,352.96
  6. Step 6: Final answer
    x = 446,711.64

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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.