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Finding the Fourth Proportional to 574,465.60, 861,698.40 and 325,633.60

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Solution

The fourth proportional to 574,465.60, 861,698.40 and 325,633.60 is: 488,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,465.60 : 861,698.40 = 325,633.60 : x
  2. Step 2: Convert to fraction form
    574,465.60/861,698.40 = 325,633.60/x
  3. Step 3: Cross multiply
    574,465.60x = 861,698.40 × 325,633.60
  4. Step 4: Simplify right side
    574,465.60x = 280,597,952,106.24
  5. Step 5: Solve for x
    x = 280,597,952,106.24/574,465.60
  6. Step 6: Final answer
    x = 488,450.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.