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Finding the Fourth Proportional to 453,645.09, 626,025.27 and 249,691.64

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Solution

The fourth proportional to 453,645.09, 626,025.27 and 249,691.64 is: 344,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,645.09 : 626,025.27 = 249,691.64 : x
  2. Step 2: Convert to fraction form
    453,645.09/626,025.27 = 249,691.64/x
  3. Step 3: Cross multiply
    453,645.09x = 626,025.27 × 249,691.64
  4. Step 4: Simplify right side
    453,645.09x = 156,313,276,347.74
  5. Step 5: Solve for x
    x = 156,313,276,347.74/453,645.09
  6. Step 6: Final answer
    x = 344,571.74

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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.