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Finding the Fourth Proportional to 652,554.39, 978,542.29 and 348,874.86

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Solution

The fourth proportional to 652,554.39, 978,542.29 and 348,874.86 is: 523,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,554.39 : 978,542.29 = 348,874.86 : x
  2. Step 2: Convert to fraction form
    652,554.39/978,542.29 = 348,874.86/x
  3. Step 3: Cross multiply
    652,554.39x = 978,542.29 × 348,874.86
  4. Step 4: Simplify right side
    652,554.39x = 341,388,804,427.83
  5. Step 5: Solve for x
    x = 341,388,804,427.83/652,554.39
  6. Step 6: Final answer
    x = 523,157.62

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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.