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Finding the Fourth Proportional to 453,661.41, 626,028.87 and 249,673.33

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Solution

The fourth proportional to 453,661.41, 626,028.87 and 249,673.33 is: 344,536.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,661.41 : 626,028.87 = 249,673.33 : x
  2. Step 2: Convert to fraction form
    453,661.41/626,028.87 = 249,673.33/x
  3. Step 3: Cross multiply
    453,661.41x = 626,028.87 × 249,673.33
  4. Step 4: Simplify right side
    453,661.41x = 156,302,712,649.04
  5. Step 5: Solve for x
    x = 156,302,712,649.04/453,661.41
  6. Step 6: Final answer
    x = 344,536.06

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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.