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Finding the Fourth Proportional to 249,422.80, 374,134.20 and 245,486.20

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Solution

The fourth proportional to 249,422.80, 374,134.20 and 245,486.20 is: 368,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,422.80 : 374,134.20 = 245,486.20 : x
  2. Step 2: Convert to fraction form
    249,422.80/374,134.20 = 245,486.20/x
  3. Step 3: Cross multiply
    249,422.80x = 374,134.20 × 245,486.20
  4. Step 4: Simplify right side
    249,422.80x = 91,844,783,048.04
  5. Step 5: Solve for x
    x = 91,844,783,048.04/249,422.80
  6. Step 6: Final answer
    x = 368,229.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.