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Finding the Fourth Proportional to 282,274.44, 389,526.48 and 154,952.16

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Solution

The fourth proportional to 282,274.44, 389,526.48 and 154,952.16 is: 213,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,274.44 : 389,526.48 = 154,952.16 : x
  2. Step 2: Convert to fraction form
    282,274.44/389,526.48 = 154,952.16/x
  3. Step 3: Cross multiply
    282,274.44x = 389,526.48 × 154,952.16
  4. Step 4: Simplify right side
    282,274.44x = 60,357,969,453.20
  5. Step 5: Solve for x
    x = 60,357,969,453.20/282,274.44
  6. Step 6: Final answer
    x = 213,827.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.