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Finding the Fourth Proportional to 577,085.68, 796,346.94 and 322,387.66

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Solution

The fourth proportional to 577,085.68, 796,346.94 and 322,387.66 is: 444,877.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,085.68 : 796,346.94 = 322,387.66 : x
  2. Step 2: Convert to fraction form
    577,085.68/796,346.94 = 322,387.66/x
  3. Step 3: Cross multiply
    577,085.68x = 796,346.94 × 322,387.66
  4. Step 4: Simplify right side
    577,085.68x = 256,732,426,534.76
  5. Step 5: Solve for x
    x = 256,732,426,534.76/577,085.68
  6. Step 6: Final answer
    x = 444,877.49

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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.