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Finding the Fourth Proportional to 450,862, 622,189.56 and 249,658

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Solution

The fourth proportional to 450,862, 622,189.56 and 249,658 is: 344,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,862 : 622,189.56 = 249,658 : x
  2. Step 2: Convert to fraction form
    450,862/622,189.56 = 249,658/x
  3. Step 3: Cross multiply
    450,862x = 622,189.56 × 249,658
  4. Step 4: Simplify right side
    450,862x = 155,334,601,170.48
  5. Step 5: Solve for x
    x = 155,334,601,170.48/450,862
  6. Step 6: Final answer
    x = 344,528.04

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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.