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Finding the Fourth Proportional to 446,535.99, 672,782.63 and 403,890.71

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Solution

The fourth proportional to 446,535.99, 672,782.63 and 403,890.71 is: 608,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,535.99 : 672,782.63 = 403,890.71 : x
  2. Step 2: Convert to fraction form
    446,535.99/672,782.63 = 403,890.71/x
  3. Step 3: Cross multiply
    446,535.99x = 672,782.63 × 403,890.71
  4. Step 4: Simplify right side
    446,535.99x = 271,730,648,723.00
  5. Step 5: Solve for x
    x = 271,730,648,723.00/446,535.99
  6. Step 6: Final answer
    x = 608,530.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.