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Finding the Fourth Proportional to 565,431.18, 848,178.54 and 181,213.47

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Solution

The fourth proportional to 565,431.18, 848,178.54 and 181,213.47 is: 271,830.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,431.18 : 848,178.54 = 181,213.47 : x
  2. Step 2: Convert to fraction form
    565,431.18/848,178.54 = 181,213.47/x
  3. Step 3: Cross multiply
    565,431.18x = 848,178.54 × 181,213.47
  4. Step 4: Simplify right side
    565,431.18x = 153,701,376,412.93
  5. Step 5: Solve for x
    x = 153,701,376,412.93/565,431.18
  6. Step 6: Final answer
    x = 271,830.39

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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.