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Finding the Fourth Proportional to 589,189.34, 813,018.16 and 395,557.83

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Solution

The fourth proportional to 589,189.34, 813,018.16 and 395,557.83 is: 545,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,189.34 : 813,018.16 = 395,557.83 : x
  2. Step 2: Convert to fraction form
    589,189.34/813,018.16 = 395,557.83/x
  3. Step 3: Cross multiply
    589,189.34x = 813,018.16 × 395,557.83
  4. Step 4: Simplify right side
    589,189.34x = 321,595,699,614.64
  5. Step 5: Solve for x
    x = 321,595,699,614.64/589,189.34
  6. Step 6: Final answer
    x = 545,827.42

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