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Finding the Fourth Proportional to 492,079.70, 738,119.55 and 373,106.90

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Solution

The fourth proportional to 492,079.70, 738,119.55 and 373,106.90 is: 559,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,079.70 : 738,119.55 = 373,106.90 : x
  2. Step 2: Convert to fraction form
    492,079.70/738,119.55 = 373,106.90/x
  3. Step 3: Cross multiply
    492,079.70x = 738,119.55 × 373,106.90
  4. Step 4: Simplify right side
    492,079.70x = 275,397,497,129.90
  5. Step 5: Solve for x
    x = 275,397,497,129.90/492,079.70
  6. Step 6: Final answer
    x = 559,660.35

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Double scale
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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.