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Finding the Fourth Proportional to 324,807.70, 486,520.35 and 262,599.70

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Solution

The fourth proportional to 324,807.70, 486,520.35 and 262,599.70 is: 393,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,807.70 : 486,520.35 = 262,599.70 : x
  2. Step 2: Convert to fraction form
    324,807.70/486,520.35 = 262,599.70/x
  3. Step 3: Cross multiply
    324,807.70x = 486,520.35 × 262,599.70
  4. Step 4: Simplify right side
    324,807.70x = 127,760,097,953.90
  5. Step 5: Solve for x
    x = 127,760,097,953.90/324,807.70
  6. Step 6: Final answer
    x = 393,340.73

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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.