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Finding the Fourth Proportional to 492,049.70, 738,074.55 and 373,076.90

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Solution

The fourth proportional to 492,049.70, 738,074.55 and 373,076.90 is: 559,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,049.70 : 738,074.55 = 373,076.90 : x
  2. Step 2: Convert to fraction form
    492,049.70/738,074.55 = 373,076.90/x
  3. Step 3: Cross multiply
    492,049.70x = 738,074.55 × 373,076.90
  4. Step 4: Simplify right side
    492,049.70x = 275,358,565,082.90
  5. Step 5: Solve for x
    x = 275,358,565,082.90/492,049.70
  6. Step 6: Final answer
    x = 559,615.35

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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.