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Finding the Fourth Proportional to 492,762.10, 739,143.15 and 492,762.10

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Solution

The fourth proportional to 492,762.10, 739,143.15 and 492,762.10 is: 739,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,762.10 : 739,143.15 = 492,762.10 : x
  2. Step 2: Convert to fraction form
    492,762.10/739,143.15 = 492,762.10/x
  3. Step 3: Cross multiply
    492,762.10x = 739,143.15 × 492,762.10
  4. Step 4: Simplify right side
    492,762.10x = 364,221,730,794.62
  5. Step 5: Solve for x
    x = 364,221,730,794.62/492,762.10
  6. Step 6: Final answer
    x = 739,143.15

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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.