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Finding the Fourth Proportional to 668,950.71, 923,154.40 and 363,027.03

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Solution

The fourth proportional to 668,950.71, 923,154.40 and 363,027.03 is: 500,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,950.71 : 923,154.40 = 363,027.03 : x
  2. Step 2: Convert to fraction form
    668,950.71/923,154.40 = 363,027.03/x
  3. Step 3: Cross multiply
    668,950.71x = 923,154.40 × 363,027.03
  4. Step 4: Simplify right side
    668,950.71x = 335,130,000,063.43
  5. Step 5: Solve for x
    x = 335,130,000,063.43/668,950.71
  6. Step 6: Final answer
    x = 500,978.61

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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.