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Finding the Fourth Proportional to 538,289.46, 808,355.59 and 359,523.62

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Solution

The fourth proportional to 538,289.46, 808,355.59 and 359,523.62 is: 539,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,289.46 : 808,355.59 = 359,523.62 : x
  2. Step 2: Convert to fraction form
    538,289.46/808,355.59 = 359,523.62/x
  3. Step 3: Cross multiply
    538,289.46x = 808,355.59 × 359,523.62
  4. Step 4: Simplify right side
    538,289.46x = 290,622,927,964.04
  5. Step 5: Solve for x
    x = 290,622,927,964.04/538,289.46
  6. Step 6: Final answer
    x = 539,900.83

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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.