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Finding the Fourth Proportional to 400,149.14, 600,392.18 and 175,393.58

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Solution

The fourth proportional to 400,149.14, 600,392.18 and 175,393.58 is: 263,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,149.14 : 600,392.18 = 175,393.58 : x
  2. Step 2: Convert to fraction form
    400,149.14/600,392.18 = 175,393.58/x
  3. Step 3: Cross multiply
    400,149.14x = 600,392.18 × 175,393.58
  4. Step 4: Simplify right side
    400,149.14x = 105,304,931,290.73
  5. Step 5: Solve for x
    x = 105,304,931,290.73/400,149.14
  6. Step 6: Final answer
    x = 263,164.21

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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.