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Finding the Fourth Proportional to 577,940.42, 797,718.06 and 336,269.67

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Solution

The fourth proportional to 577,940.42, 797,718.06 and 336,269.67 is: 464,145.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,940.42 : 797,718.06 = 336,269.67 : x
  2. Step 2: Convert to fraction form
    577,940.42/797,718.06 = 336,269.67/x
  3. Step 3: Cross multiply
    577,940.42x = 797,718.06 × 336,269.67
  4. Step 4: Simplify right side
    577,940.42x = 268,248,388,789.24
  5. Step 5: Solve for x
    x = 268,248,388,789.24/577,940.42
  6. Step 6: Final answer
    x = 464,145.41

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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.