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Finding the Fourth Proportional to 551,805.39, 827,699.88 and 152,437.32

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Solution

The fourth proportional to 551,805.39, 827,699.88 and 152,437.32 is: 228,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,805.39 : 827,699.88 = 152,437.32 : x
  2. Step 2: Convert to fraction form
    551,805.39/827,699.88 = 152,437.32/x
  3. Step 3: Cross multiply
    551,805.39x = 827,699.88 × 152,437.32
  4. Step 4: Simplify right side
    551,805.39x = 126,172,351,471.52
  5. Step 5: Solve for x
    x = 126,172,351,471.52/551,805.39
  6. Step 6: Final answer
    x = 228,653.71

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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.