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Finding the Fourth Proportional to 407,247.82, 562,332.18 and 254,464

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Solution

The fourth proportional to 407,247.82, 562,332.18 and 254,464 is: 351,366.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,247.82 : 562,332.18 = 254,464 : x
  2. Step 2: Convert to fraction form
    407,247.82/562,332.18 = 254,464/x
  3. Step 3: Cross multiply
    407,247.82x = 562,332.18 × 254,464
  4. Step 4: Simplify right side
    407,247.82x = 143,093,295,851.52
  5. Step 5: Solve for x
    x = 143,093,295,851.52/407,247.82
  6. Step 6: Final answer
    x = 351,366.63

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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.