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Finding the Fourth Proportional to 492,816.10, 739,224.15 and 492,816.10

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Solution

The fourth proportional to 492,816.10, 739,224.15 and 492,816.10 is: 739,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,816.10 : 739,224.15 = 492,816.10 : x
  2. Step 2: Convert to fraction form
    492,816.10/739,224.15 = 492,816.10/x
  3. Step 3: Cross multiply
    492,816.10x = 739,224.15 × 492,816.10
  4. Step 4: Simplify right side
    492,816.10x = 364,301,562,628.82
  5. Step 5: Solve for x
    x = 364,301,562,628.82/492,816.10
  6. Step 6: Final answer
    x = 739,224.15

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Similar ratio
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1.5x scale

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.