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Finding the Fourth Proportional to 565,871.28, 848,891.12 and 186,832.06

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Solution

The fourth proportional to 565,871.28, 848,891.12 and 186,832.06 is: 280,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,871.28 : 848,891.12 = 186,832.06 : x
  2. Step 2: Convert to fraction form
    565,871.28/848,891.12 = 186,832.06/x
  3. Step 3: Cross multiply
    565,871.28x = 848,891.12 × 186,832.06
  4. Step 4: Simplify right side
    565,871.28x = 158,600,076,665.31
  5. Step 5: Solve for x
    x = 158,600,076,665.31/565,871.28
  6. Step 6: Final answer
    x = 280,275.89

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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.