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Finding the Fourth Proportional to 492,479.46, 738,719.10 and 118,502.46

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Solution

The fourth proportional to 492,479.46, 738,719.10 and 118,502.46 is: 177,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,479.46 : 738,719.10 = 118,502.46 : x
  2. Step 2: Convert to fraction form
    492,479.46/738,719.10 = 118,502.46/x
  3. Step 3: Cross multiply
    492,479.46x = 738,719.10 × 118,502.46
  4. Step 4: Simplify right side
    492,479.46x = 87,540,030,598.99
  5. Step 5: Solve for x
    x = 87,540,030,598.99/492,479.46
  6. Step 6: Final answer
    x = 177,753.67

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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.