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Finding the Fourth Proportional to 492,764.60, 739,146.90 and 492,764.60

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Solution

The fourth proportional to 492,764.60, 739,146.90 and 492,764.60 is: 739,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,764.60 : 739,146.90 = 492,764.60 : x
  2. Step 2: Convert to fraction form
    492,764.60/739,146.90 = 492,764.60/x
  3. Step 3: Cross multiply
    492,764.60x = 739,146.90 × 492,764.60
  4. Step 4: Simplify right side
    492,764.60x = 364,225,426,519.74
  5. Step 5: Solve for x
    x = 364,225,426,519.74/492,764.60
  6. Step 6: Final answer
    x = 739,146.90

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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.