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Finding the Fourth Proportional to 492,343.59, 738,515.39 and 118,366.59

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Solution

The fourth proportional to 492,343.59, 738,515.39 and 118,366.59 is: 177,549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,343.59 : 738,515.39 = 118,366.59 : x
  2. Step 2: Convert to fraction form
    492,343.59/738,515.39 = 118,366.59/x
  3. Step 3: Cross multiply
    492,343.59x = 738,515.39 × 118,366.59
  4. Step 4: Simplify right side
    492,343.59x = 87,415,548,376.82
  5. Step 5: Solve for x
    x = 87,415,548,376.82/492,343.59
  6. Step 6: Final answer
    x = 177,549.89

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Similar ratio
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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.