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Finding the Fourth Proportional to 543,606.69, 750,196.18 and 301,893.28

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Solution

The fourth proportional to 543,606.69, 750,196.18 and 301,893.28 is: 416,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,606.69 : 750,196.18 = 301,893.28 : x
  2. Step 2: Convert to fraction form
    543,606.69/750,196.18 = 301,893.28/x
  3. Step 3: Cross multiply
    543,606.69x = 750,196.18 × 301,893.28
  4. Step 4: Simplify right side
    543,606.69x = 226,479,183,925.55
  5. Step 5: Solve for x
    x = 226,479,183,925.55/543,606.69
  6. Step 6: Final answer
    x = 416,623.24

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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.