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Finding the Fourth Proportional to 578,080.18, 797,684.10 and 333,100.66

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Solution

The fourth proportional to 578,080.18, 797,684.10 and 333,100.66 is: 459,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,080.18 : 797,684.10 = 333,100.66 : x
  2. Step 2: Convert to fraction form
    578,080.18/797,684.10 = 333,100.66/x
  3. Step 3: Cross multiply
    578,080.18x = 797,684.10 × 333,100.66
  4. Step 4: Simplify right side
    578,080.18x = 265,709,100,181.51
  5. Step 5: Solve for x
    x = 265,709,100,181.51/578,080.18
  6. Step 6: Final answer
    x = 459,640.56

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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.