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Finding the Fourth Proportional to 450,853, 622,177.14 and 249,649

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Solution

The fourth proportional to 450,853, 622,177.14 and 249,649 is: 344,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,853 : 622,177.14 = 249,649 : x
  2. Step 2: Convert to fraction form
    450,853/622,177.14 = 249,649/x
  3. Step 3: Cross multiply
    450,853x = 622,177.14 × 249,649
  4. Step 4: Simplify right side
    450,853x = 155,325,900,823.86
  5. Step 5: Solve for x
    x = 155,325,900,823.86/450,853
  6. Step 6: Final answer
    x = 344,515.62

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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.