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Finding the Fourth Proportional to 492,751.65, 739,127.48 and 492,751.65

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Solution

The fourth proportional to 492,751.65, 739,127.48 and 492,751.65 is: 739,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,751.65 : 739,127.48 = 492,751.65 : x
  2. Step 2: Convert to fraction form
    492,751.65/739,127.48 = 492,751.65/x
  3. Step 3: Cross multiply
    492,751.65x = 739,127.48 × 492,751.65
  4. Step 4: Simplify right side
    492,751.65x = 364,206,282,866.58
  5. Step 5: Solve for x
    x = 364,206,282,866.58/492,751.65
  6. Step 6: Final answer
    x = 739,127.48

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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.