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Finding the Fourth Proportional to 484,597.20, 726,118.20 and 456,603.60

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Solution

The fourth proportional to 484,597.20, 726,118.20 and 456,603.60 is: 684,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,597.20 : 726,118.20 = 456,603.60 : x
  2. Step 2: Convert to fraction form
    484,597.20/726,118.20 = 456,603.60/x
  3. Step 3: Cross multiply
    484,597.20x = 726,118.20 × 456,603.60
  4. Step 4: Simplify right side
    484,597.20x = 331,548,184,145.52
  5. Step 5: Solve for x
    x = 331,548,184,145.52/484,597.20
  6. Step 6: Final answer
    x = 684,172.72

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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.