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Finding the Fourth Proportional to 282,250.44, 389,506.86 and 154,927.08

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Solution

The fourth proportional to 282,250.44, 389,506.86 and 154,927.08 is: 213,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,250.44 : 389,506.86 = 154,927.08 : x
  2. Step 2: Convert to fraction form
    282,250.44/389,506.86 = 154,927.08/x
  3. Step 3: Cross multiply
    282,250.44x = 389,506.86 × 154,927.08
  4. Step 4: Simplify right side
    282,250.44x = 60,345,160,459.77
  5. Step 5: Solve for x
    x = 60,345,160,459.77/282,250.44
  6. Step 6: Final answer
    x = 213,800.06

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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.