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Finding the Fourth Proportional to 505,814.24, 755,031.42 and 441,968.77

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Solution

The fourth proportional to 505,814.24, 755,031.42 and 441,968.77 is: 659,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,814.24 : 755,031.42 = 441,968.77 : x
  2. Step 2: Convert to fraction form
    505,814.24/755,031.42 = 441,968.77/x
  3. Step 3: Cross multiply
    505,814.24x = 755,031.42 × 441,968.77
  4. Step 4: Simplify right side
    505,814.24x = 333,700,308,952.54
  5. Step 5: Solve for x
    x = 333,700,308,952.54/505,814.24
  6. Step 6: Final answer
    x = 659,728.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.