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Finding the Fourth Proportional to 492,047.70, 738,071.55 and 373,074.90

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Solution

The fourth proportional to 492,047.70, 738,071.55 and 373,074.90 is: 559,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,047.70 : 738,071.55 = 373,074.90 : x
  2. Step 2: Convert to fraction form
    492,047.70/738,071.55 = 373,074.90/x
  3. Step 3: Cross multiply
    492,047.70x = 738,071.55 × 373,074.90
  4. Step 4: Simplify right side
    492,047.70x = 275,355,969,709.10
  5. Step 5: Solve for x
    x = 275,355,969,709.10/492,047.70
  6. Step 6: Final answer
    x = 559,612.35

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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.