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Finding the Fourth Proportional to 450,892, 622,231.14 and 249,688

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Solution

The fourth proportional to 450,892, 622,231.14 and 249,688 is: 344,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,892 : 622,231.14 = 249,688 : x
  2. Step 2: Convert to fraction form
    450,892/622,231.14 = 249,688/x
  3. Step 3: Cross multiply
    450,892x = 622,231.14 × 249,688
  4. Step 4: Simplify right side
    450,892x = 155,363,648,884.32
  5. Step 5: Solve for x
    x = 155,363,648,884.32/450,892
  6. Step 6: Final answer
    x = 344,569.54

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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.