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Finding the Fourth Proportional to 453,003, 625,144.54 and 249,057.39

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Solution

The fourth proportional to 453,003, 625,144.54 and 249,057.39 is: 343,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,003 : 625,144.54 = 249,057.39 : x
  2. Step 2: Convert to fraction form
    453,003/625,144.54 = 249,057.39/x
  3. Step 3: Cross multiply
    453,003x = 625,144.54 × 249,057.39
  4. Step 4: Simplify right side
    453,003x = 155,696,867,505.15
  5. Step 5: Solve for x
    x = 155,696,867,505.15/453,003
  6. Step 6: Final answer
    x = 343,699.42

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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.