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Finding the Fourth Proportional to 972,375.80, 1,458,563.70 and 262,402.70

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Solution

The fourth proportional to 972,375.80, 1,458,563.70 and 262,402.70 is: 393,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,375.80 : 1,458,563.70 = 262,402.70 : x
  2. Step 2: Convert to fraction form
    972,375.80/1,458,563.70 = 262,402.70/x
  3. Step 3: Cross multiply
    972,375.80x = 1,458,563.70 × 262,402.70
  4. Step 4: Simplify right side
    972,375.80x = 382,731,053,001.99
  5. Step 5: Solve for x
    x = 382,731,053,001.99/972,375.80
  6. Step 6: Final answer
    x = 393,604.05

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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.