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Finding the Fourth Proportional to 484,438.28, 668,499.98 and 369,797.12

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Solution

The fourth proportional to 484,438.28, 668,499.98 and 369,797.12 is: 510,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,438.28 : 668,499.98 = 369,797.12 : x
  2. Step 2: Convert to fraction form
    484,438.28/668,499.98 = 369,797.12/x
  3. Step 3: Cross multiply
    484,438.28x = 668,499.98 × 369,797.12
  4. Step 4: Simplify right side
    484,438.28x = 247,209,367,324.06
  5. Step 5: Solve for x
    x = 247,209,367,324.06/484,438.28
  6. Step 6: Final answer
    x = 510,301.06

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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.