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Finding the Fourth Proportional to 453,644.09, 626,023.89 and 249,690.64

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Solution

The fourth proportional to 453,644.09, 626,023.89 and 249,690.64 is: 344,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,644.09 : 626,023.89 = 249,690.64 : x
  2. Step 2: Convert to fraction form
    453,644.09/626,023.89 = 249,690.64/x
  3. Step 3: Cross multiply
    453,644.09x = 626,023.89 × 249,690.64
  4. Step 4: Simplify right side
    453,644.09x = 156,312,305,749.39
  5. Step 5: Solve for x
    x = 156,312,305,749.39/453,644.09
  6. Step 6: Final answer
    x = 344,570.36

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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.