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Finding the Fourth Proportional to 492,815.10, 739,222.65 and 492,815.10

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Solution

The fourth proportional to 492,815.10, 739,222.65 and 492,815.10 is: 739,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,815.10 : 739,222.65 = 492,815.10 : x
  2. Step 2: Convert to fraction form
    492,815.10/739,222.65 = 492,815.10/x
  3. Step 3: Cross multiply
    492,815.10x = 739,222.65 × 492,815.10
  4. Step 4: Simplify right side
    492,815.10x = 364,300,084,182.02
  5. Step 5: Solve for x
    x = 364,300,084,182.02/492,815.10
  6. Step 6: Final answer
    x = 739,222.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.