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Finding the Fourth Proportional to 366,479.69, 505,733.15 and 205,341.53

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Solution

The fourth proportional to 366,479.69, 505,733.15 and 205,341.53 is: 283,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,479.69 : 505,733.15 = 205,341.53 : x
  2. Step 2: Convert to fraction form
    366,479.69/505,733.15 = 205,341.53/x
  3. Step 3: Cross multiply
    366,479.69x = 505,733.15 × 205,341.53
  4. Step 4: Simplify right side
    366,479.69x = 103,848,018,792.72
  5. Step 5: Solve for x
    x = 103,848,018,792.72/366,479.69
  6. Step 6: Final answer
    x = 283,366.37

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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.