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Finding the Fourth Proportional to 551,804.39, 827,698.38 and 152,436.32

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Solution

The fourth proportional to 551,804.39, 827,698.38 and 152,436.32 is: 228,652.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,804.39 : 827,698.38 = 152,436.32 : x
  2. Step 2: Convert to fraction form
    551,804.39/827,698.38 = 152,436.32/x
  3. Step 3: Cross multiply
    551,804.39x = 827,698.38 × 152,436.32
  4. Step 4: Simplify right side
    551,804.39x = 126,171,297,186.41
  5. Step 5: Solve for x
    x = 126,171,297,186.41/551,804.39
  6. Step 6: Final answer
    x = 228,652.22

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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.