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Finding the Fourth Proportional to 359,477.04, 539,682.12 and 276,429.36

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Solution

The fourth proportional to 359,477.04, 539,682.12 and 276,429.36 is: 415,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,477.04 : 539,682.12 = 276,429.36 : x
  2. Step 2: Convert to fraction form
    359,477.04/539,682.12 = 276,429.36/x
  3. Step 3: Cross multiply
    359,477.04x = 539,682.12 × 276,429.36
  4. Step 4: Simplify right side
    359,477.04x = 149,183,983,035.04
  5. Step 5: Solve for x
    x = 149,183,983,035.04/359,477.04
  6. Step 6: Final answer
    x = 415,002.81

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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.