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Finding the Fourth Proportional to 492,505.34, 738,758.16 and 118,528.34

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Solution

The fourth proportional to 492,505.34, 738,758.16 and 118,528.34 is: 177,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,505.34 : 738,758.16 = 118,528.34 : x
  2. Step 2: Convert to fraction form
    492,505.34/738,758.16 = 118,528.34/x
  3. Step 3: Cross multiply
    492,505.34x = 738,758.16 × 118,528.34
  4. Step 4: Simplify right side
    492,505.34x = 87,563,774,672.46
  5. Step 5: Solve for x
    x = 87,563,774,672.46/492,505.34
  6. Step 6: Final answer
    x = 177,792.54

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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.