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Finding the Fourth Proportional to 324,063.40, 486,095.10 and 301,920.03

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Solution

The fourth proportional to 324,063.40, 486,095.10 and 301,920.03 is: 452,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,063.40 : 486,095.10 = 301,920.03 : x
  2. Step 2: Convert to fraction form
    324,063.40/486,095.10 = 301,920.03/x
  3. Step 3: Cross multiply
    324,063.40x = 486,095.10 × 301,920.03
  4. Step 4: Simplify right side
    324,063.40x = 146,761,847,174.85
  5. Step 5: Solve for x
    x = 146,761,847,174.85/324,063.40
  6. Step 6: Final answer
    x = 452,880.05

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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.