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Finding the Fourth Proportional to 450,805, 622,130.34 and 249,601

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Solution

The fourth proportional to 450,805, 622,130.34 and 249,601 is: 344,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,805 : 622,130.34 = 249,601 : x
  2. Step 2: Convert to fraction form
    450,805/622,130.34 = 249,601/x
  3. Step 3: Cross multiply
    450,805x = 622,130.34 × 249,601
  4. Step 4: Simplify right side
    450,805x = 155,284,354,994.34
  5. Step 5: Solve for x
    x = 155,284,354,994.34/450,805
  6. Step 6: Final answer
    x = 344,460.14

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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.