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Finding the Fourth Proportional to 492,025.85, 738,038.78 and 492,025.85

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Solution

The fourth proportional to 492,025.85, 738,038.78 and 492,025.85 is: 738,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,025.85 : 738,038.78 = 492,025.85 : x
  2. Step 2: Convert to fraction form
    492,025.85/738,038.78 = 492,025.85/x
  3. Step 3: Cross multiply
    492,025.85x = 738,038.78 × 492,025.85
  4. Step 4: Simplify right side
    492,025.85x = 363,134,158,062.46
  5. Step 5: Solve for x
    x = 363,134,158,062.46/492,025.85
  6. Step 6: Final answer
    x = 738,038.78

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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.