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Finding the Fourth Proportional to 270,886.63, 404,682.57 and 175,338.40

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Solution

The fourth proportional to 270,886.63, 404,682.57 and 175,338.40 is: 261,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,886.63 : 404,682.57 = 175,338.40 : x
  2. Step 2: Convert to fraction form
    270,886.63/404,682.57 = 175,338.40/x
  3. Step 3: Cross multiply
    270,886.63x = 404,682.57 × 175,338.40
  4. Step 4: Simplify right side
    270,886.63x = 70,956,394,331.69
  5. Step 5: Solve for x
    x = 70,956,394,331.69/270,886.63
  6. Step 6: Final answer
    x = 261,941.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.