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Finding the Fourth Proportional to 552,152.09, 828,246.54 and 152,759.42

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Solution

The fourth proportional to 552,152.09, 828,246.54 and 152,759.42 is: 229,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,152.09 : 828,246.54 = 152,759.42 : x
  2. Step 2: Convert to fraction form
    552,152.09/828,246.54 = 152,759.42/x
  3. Step 3: Cross multiply
    552,152.09x = 828,246.54 × 152,759.42
  4. Step 4: Simplify right side
    552,152.09x = 126,522,461,067.41
  5. Step 5: Solve for x
    x = 126,522,461,067.41/552,152.09
  6. Step 6: Final answer
    x = 229,144.22

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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.