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Finding the Fourth Proportional to 652,012.34, 977,935.44 and 252,379.70

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Solution

The fourth proportional to 652,012.34, 977,935.44 and 252,379.70 is: 378,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,012.34 : 977,935.44 = 252,379.70 : x
  2. Step 2: Convert to fraction form
    652,012.34/977,935.44 = 252,379.70/x
  3. Step 3: Cross multiply
    652,012.34x = 977,935.44 × 252,379.70
  4. Step 4: Simplify right side
    652,012.34x = 246,811,052,966.57
  5. Step 5: Solve for x
    x = 246,811,052,966.57/652,012.34
  6. Step 6: Final answer
    x = 378,537.40

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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.