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Finding the Fourth Proportional to 450,791.50, 622,111.71 and 249,587.50

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Solution

The fourth proportional to 450,791.50, 622,111.71 and 249,587.50 is: 344,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,791.50 : 622,111.71 = 249,587.50 : x
  2. Step 2: Convert to fraction form
    450,791.50/622,111.71 = 249,587.50/x
  3. Step 3: Cross multiply
    450,791.50x = 622,111.71 × 249,587.50
  4. Step 4: Simplify right side
    450,791.50x = 155,271,306,419.63
  5. Step 5: Solve for x
    x = 155,271,306,419.63/450,791.50
  6. Step 6: Final answer
    x = 344,441.51

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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.