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Finding the Fourth Proportional to 652,802.67, 978,416.57 and 337,087.47

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Solution

The fourth proportional to 652,802.67, 978,416.57 and 337,087.47 is: 505,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,802.67 : 978,416.57 = 337,087.47 : x
  2. Step 2: Convert to fraction form
    652,802.67/978,416.57 = 337,087.47/x
  3. Step 3: Cross multiply
    652,802.67x = 978,416.57 × 337,087.47
  4. Step 4: Simplify right side
    652,802.67x = 329,811,964,501.94
  5. Step 5: Solve for x
    x = 329,811,964,501.94/652,802.67
  6. Step 6: Final answer
    x = 505,224.59

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Why These Related Problems?

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