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Finding the Fourth Proportional to 541,605.20, 810,852.60 and 331,653.20

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Solution

The fourth proportional to 541,605.20, 810,852.60 and 331,653.20 is: 496,527.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,605.20 : 810,852.60 = 331,653.20 : x
  2. Step 2: Convert to fraction form
    541,605.20/810,852.60 = 331,653.20/x
  3. Step 3: Cross multiply
    541,605.20x = 810,852.60 × 331,653.20
  4. Step 4: Simplify right side
    541,605.20x = 268,921,859,518.32
  5. Step 5: Solve for x
    x = 268,921,859,518.32/541,605.20
  6. Step 6: Final answer
    x = 496,527.47

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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.