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Finding the Fourth Proportional to 453,765.69, 626,185.20 and 249,814.57

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Solution

The fourth proportional to 453,765.69, 626,185.20 and 249,814.57 is: 344,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,765.69 : 626,185.20 = 249,814.57 : x
  2. Step 2: Convert to fraction form
    453,765.69/626,185.20 = 249,814.57/x
  3. Step 3: Cross multiply
    453,765.69x = 626,185.20 × 249,814.57
  4. Step 4: Simplify right side
    453,765.69x = 156,430,186,478.36
  5. Step 5: Solve for x
    x = 156,430,186,478.36/453,765.69
  6. Step 6: Final answer
    x = 344,737.81

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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.