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Finding the Fourth Proportional to 450,795.25, 622,116.89 and 249,591.25

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Solution

The fourth proportional to 450,795.25, 622,116.89 and 249,591.25 is: 344,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,795.25 : 622,116.89 = 249,591.25 : x
  2. Step 2: Convert to fraction form
    450,795.25/622,116.89 = 249,591.25/x
  3. Step 3: Cross multiply
    450,795.25x = 622,116.89 × 249,591.25
  4. Step 4: Simplify right side
    450,795.25x = 155,274,932,221.21
  5. Step 5: Solve for x
    x = 155,274,932,221.21/450,795.25
  6. Step 6: Final answer
    x = 344,446.69

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1.5x scale

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.