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Finding the Fourth Proportional to 492,480.55, 738,720.83 and 492,480.55

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Solution

The fourth proportional to 492,480.55, 738,720.83 and 492,480.55 is: 738,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,480.55 : 738,720.83 = 492,480.55 : x
  2. Step 2: Convert to fraction form
    492,480.55/738,720.83 = 492,480.55/x
  3. Step 3: Cross multiply
    492,480.55x = 738,720.83 × 492,480.55
  4. Step 4: Simplify right side
    492,480.55x = 363,805,638,192.45
  5. Step 5: Solve for x
    x = 363,805,638,192.45/492,480.55
  6. Step 6: Final answer
    x = 738,720.83

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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.