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Finding the Fourth Proportional to 484,015.90, 726,801.45 and 365,820.70

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Solution

The fourth proportional to 484,015.90, 726,801.45 and 365,820.70 is: 549,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,015.90 : 726,801.45 = 365,820.70 : x
  2. Step 2: Convert to fraction form
    484,015.90/726,801.45 = 365,820.70/x
  3. Step 3: Cross multiply
    484,015.90x = 726,801.45 × 365,820.70
  4. Step 4: Simplify right side
    484,015.90x = 265,879,015,200.02
  5. Step 5: Solve for x
    x = 265,879,015,200.02/484,015.90
  6. Step 6: Final answer
    x = 549,318.76

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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.