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Finding the Fourth Proportional to 450,842.86, 622,163.16 and 249,638.86

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Solution

The fourth proportional to 450,842.86, 622,163.16 and 249,638.86 is: 344,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,842.86 : 622,163.16 = 249,638.86 : x
  2. Step 2: Convert to fraction form
    450,842.86/622,163.16 = 249,638.86/x
  3. Step 3: Cross multiply
    450,842.86x = 622,163.16 × 249,638.86
  4. Step 4: Simplify right side
    450,842.86x = 155,316,101,996.40
  5. Step 5: Solve for x
    x = 155,316,101,996.40/450,842.86
  6. Step 6: Final answer
    x = 344,501.63

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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.