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Finding the Fourth Proportional to 577,219.20, 796,046.72 and 362,379.28

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Solution

The fourth proportional to 577,219.20, 796,046.72 and 362,379.28 is: 499,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,219.20 : 796,046.72 = 362,379.28 : x
  2. Step 2: Convert to fraction form
    577,219.20/796,046.72 = 362,379.28/x
  3. Step 3: Cross multiply
    577,219.20x = 796,046.72 × 362,379.28
  4. Step 4: Simplify right side
    577,219.20x = 288,470,837,239.96
  5. Step 5: Solve for x
    x = 288,470,837,239.96/577,219.20
  6. Step 6: Final answer
    x = 499,759.60

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1.5x scale

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.