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Finding the Fourth Proportional to 578,062.77, 797,727.32 and 323,414.16

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Solution

The fourth proportional to 578,062.77, 797,727.32 and 323,414.16 is: 446,311.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,062.77 : 797,727.32 = 323,414.16 : x
  2. Step 2: Convert to fraction form
    578,062.77/797,727.32 = 323,414.16/x
  3. Step 3: Cross multiply
    578,062.77x = 797,727.32 × 323,414.16
  4. Step 4: Simplify right side
    578,062.77x = 257,996,311,106.85
  5. Step 5: Solve for x
    x = 257,996,311,106.85/578,062.77
  6. Step 6: Final answer
    x = 446,311.93

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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.