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Finding the Fourth Proportional to 492,003.30, 738,134.55 and 176,427.30

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Solution

The fourth proportional to 492,003.30, 738,134.55 and 176,427.30 is: 264,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,003.30 : 738,134.55 = 176,427.30 : x
  2. Step 2: Convert to fraction form
    492,003.30/738,134.55 = 176,427.30/x
  3. Step 3: Cross multiply
    492,003.30x = 738,134.55 × 176,427.30
  4. Step 4: Simplify right side
    492,003.30x = 130,227,085,693.22
  5. Step 5: Solve for x
    x = 130,227,085,693.22/492,003.30
  6. Step 6: Final answer
    x = 264,687.42

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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.