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Finding the Fourth Proportional to 492,499.71, 738,749.70 and 118,522.71

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Solution

The fourth proportional to 492,499.71, 738,749.70 and 118,522.71 is: 177,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,499.71 : 738,749.70 = 118,522.71 : x
  2. Step 2: Convert to fraction form
    492,499.71/738,749.70 = 118,522.71/x
  3. Step 3: Cross multiply
    492,499.71x = 738,749.70 × 118,522.71
  4. Step 4: Simplify right side
    492,499.71x = 87,558,616,455.69
  5. Step 5: Solve for x
    x = 87,558,616,455.69/492,499.71
  6. Step 6: Final answer
    x = 177,784.10

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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.