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Finding the Fourth Proportional to 446,642.01, 616,393.53 and 255,651.30

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Solution

The fourth proportional to 446,642.01, 616,393.53 and 255,651.30 is: 352,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,642.01 : 616,393.53 = 255,651.30 : x
  2. Step 2: Convert to fraction form
    446,642.01/616,393.53 = 255,651.30/x
  3. Step 3: Cross multiply
    446,642.01x = 616,393.53 × 255,651.30
  4. Step 4: Simplify right side
    446,642.01x = 157,581,807,256.09
  5. Step 5: Solve for x
    x = 157,581,807,256.09/446,642.01
  6. Step 6: Final answer
    x = 352,814.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.