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Finding the Fourth Proportional to 492,273.66, 738,410.40 and 118,296.66

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Solution

The fourth proportional to 492,273.66, 738,410.40 and 118,296.66 is: 177,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,273.66 : 738,410.40 = 118,296.66 : x
  2. Step 2: Convert to fraction form
    492,273.66/738,410.40 = 118,296.66/x
  3. Step 3: Cross multiply
    492,273.66x = 738,410.40 × 118,296.66
  4. Step 4: Simplify right side
    492,273.66x = 87,351,480,337.21
  5. Step 5: Solve for x
    x = 87,351,480,337.21/492,273.66
  6. Step 6: Final answer
    x = 177,444.96

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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.