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Finding the Fourth Proportional to 577,260.95, 796,621.32 and 322,612.13

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Solution

The fourth proportional to 577,260.95, 796,621.32 and 322,612.13 is: 445,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,260.95 : 796,621.32 = 322,612.13 : x
  2. Step 2: Convert to fraction form
    577,260.95/796,621.32 = 322,612.13/x
  3. Step 3: Cross multiply
    577,260.95x = 796,621.32 × 322,612.13
  4. Step 4: Simplify right side
    577,260.95x = 256,999,696,865.51
  5. Step 5: Solve for x
    x = 256,999,696,865.51/577,260.95
  6. Step 6: Final answer
    x = 445,205.41

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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.