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Finding the Fourth Proportional to 482,365.16, 723,539.10 and 197,993.96

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Solution

The fourth proportional to 482,365.16, 723,539.10 and 197,993.96 is: 296,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,365.16 : 723,539.10 = 197,993.96 : x
  2. Step 2: Convert to fraction form
    482,365.16/723,539.10 = 197,993.96/x
  3. Step 3: Cross multiply
    482,365.16x = 723,539.10 × 197,993.96
  4. Step 4: Simplify right side
    482,365.16x = 143,256,371,623.84
  5. Step 5: Solve for x
    x = 143,256,371,623.84/482,365.16
  6. Step 6: Final answer
    x = 296,987.39

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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.