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Finding the Fourth Proportional to 492,749.70, 739,124.55 and 177,165.60

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Solution

The fourth proportional to 492,749.70, 739,124.55 and 177,165.60 is: 265,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,749.70 : 739,124.55 = 177,165.60 : x
  2. Step 2: Convert to fraction form
    492,749.70/739,124.55 = 177,165.60/x
  3. Step 3: Cross multiply
    492,749.70x = 739,124.55 × 177,165.60
  4. Step 4: Simplify right side
    492,749.70x = 130,947,444,375.48
  5. Step 5: Solve for x
    x = 130,947,444,375.48/492,749.70
  6. Step 6: Final answer
    x = 265,748.40

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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.