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Finding the Fourth Proportional to 624,684.52, 936,080.70 and 413,566.12

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Solution

The fourth proportional to 624,684.52, 936,080.70 and 413,566.12 is: 619,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,684.52 : 936,080.70 = 413,566.12 : x
  2. Step 2: Convert to fraction form
    624,684.52/936,080.70 = 413,566.12/x
  3. Step 3: Cross multiply
    624,684.52x = 936,080.70 × 413,566.12
  4. Step 4: Simplify right side
    624,684.52x = 387,131,263,105.88
  5. Step 5: Solve for x
    x = 387,131,263,105.88/624,684.52
  6. Step 6: Final answer
    x = 619,722.84

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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.