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Finding the Fourth Proportional to 453,734.49, 626,131.11 and 249,803.28

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Solution

The fourth proportional to 453,734.49, 626,131.11 and 249,803.28 is: 344,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,734.49 : 626,131.11 = 249,803.28 : x
  2. Step 2: Convert to fraction form
    453,734.49/626,131.11 = 249,803.28/x
  3. Step 3: Cross multiply
    453,734.49x = 626,131.11 × 249,803.28
  4. Step 4: Simplify right side
    453,734.49x = 156,409,605,924.80
  5. Step 5: Solve for x
    x = 156,409,605,924.80/453,734.49
  6. Step 6: Final answer
    x = 344,716.15

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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.