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Finding the Fourth Proportional to 400,062.80, 600,007.80 and 175,422.80

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Solution

The fourth proportional to 400,062.80, 600,007.80 and 175,422.80 is: 263,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,062.80 : 600,007.80 = 175,422.80 : x
  2. Step 2: Convert to fraction form
    400,062.80/600,007.80 = 175,422.80/x
  3. Step 3: Cross multiply
    400,062.80x = 600,007.80 × 175,422.80
  4. Step 4: Simplify right side
    400,062.80x = 105,255,048,297.84
  5. Step 5: Solve for x
    x = 105,255,048,297.84/400,062.80
  6. Step 6: Final answer
    x = 263,096.31

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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.