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Finding the Fourth Proportional to 325,441.30, 488,235.56 and 175,678.38

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Solution

The fourth proportional to 325,441.30, 488,235.56 and 175,678.38 is: 263,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,441.30 : 488,235.56 = 175,678.38 : x
  2. Step 2: Convert to fraction form
    325,441.30/488,235.56 = 175,678.38/x
  3. Step 3: Cross multiply
    325,441.30x = 488,235.56 × 175,678.38
  4. Step 4: Simplify right side
    325,441.30x = 85,772,429,798.02
  5. Step 5: Solve for x
    x = 85,772,429,798.02/325,441.30
  6. Step 6: Final answer
    x = 263,557.30

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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.