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Finding the Fourth Proportional to 592,900.81, 818,202.93 and 320,968.51

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Solution

The fourth proportional to 592,900.81, 818,202.93 and 320,968.51 is: 442,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,900.81 : 818,202.93 = 320,968.51 : x
  2. Step 2: Convert to fraction form
    592,900.81/818,202.93 = 320,968.51/x
  3. Step 3: Cross multiply
    592,900.81x = 818,202.93 × 320,968.51
  4. Step 4: Simplify right side
    592,900.81x = 262,617,375,319.73
  5. Step 5: Solve for x
    x = 262,617,375,319.73/592,900.81
  6. Step 6: Final answer
    x = 442,936.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.