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Finding the Fourth Proportional to 249,640.40, 374,460.60 and 109,672.40

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Solution

The fourth proportional to 249,640.40, 374,460.60 and 109,672.40 is: 164,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,640.40 : 374,460.60 = 109,672.40 : x
  2. Step 2: Convert to fraction form
    249,640.40/374,460.60 = 109,672.40/x
  3. Step 3: Cross multiply
    249,640.40x = 374,460.60 × 109,672.40
  4. Step 4: Simplify right side
    249,640.40x = 41,067,992,707.44
  5. Step 5: Solve for x
    x = 41,067,992,707.44/249,640.40
  6. Step 6: Final answer
    x = 164,508.60

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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.