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Finding the Fourth Proportional to 577,159.93, 796,465.43 and 322,513.21

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Solution

The fourth proportional to 577,159.93, 796,465.43 and 322,513.21 is: 445,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,159.93 : 796,465.43 = 322,513.21 : x
  2. Step 2: Convert to fraction form
    577,159.93/796,465.43 = 322,513.21/x
  3. Step 3: Cross multiply
    577,159.93x = 796,465.43 × 322,513.21
  4. Step 4: Simplify right side
    577,159.93x = 256,870,620,870.76
  5. Step 5: Solve for x
    x = 256,870,620,870.76/577,159.93
  6. Step 6: Final answer
    x = 445,059.69

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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.