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Finding the Fourth Proportional to 453,642.59, 626,021.82 and 249,689.14

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Solution

The fourth proportional to 453,642.59, 626,021.82 and 249,689.14 is: 344,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,642.59 : 626,021.82 = 249,689.14 : x
  2. Step 2: Convert to fraction form
    453,642.59/626,021.82 = 249,689.14/x
  3. Step 3: Cross multiply
    453,642.59x = 626,021.82 × 249,689.14
  4. Step 4: Simplify right side
    453,642.59x = 156,310,848,291.98
  5. Step 5: Solve for x
    x = 156,310,848,291.98/453,642.59
  6. Step 6: Final answer
    x = 344,568.28

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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.