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Finding the Fourth Proportional to 446,668.75, 616,402.88 and 245,464.75

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Solution

The fourth proportional to 446,668.75, 616,402.88 and 245,464.75 is: 338,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,668.75 : 616,402.88 = 245,464.75 : x
  2. Step 2: Convert to fraction form
    446,668.75/616,402.88 = 245,464.75/x
  3. Step 3: Cross multiply
    446,668.75x = 616,402.88 × 245,464.75
  4. Step 4: Simplify right side
    446,668.75x = 151,305,178,838.48
  5. Step 5: Solve for x
    x = 151,305,178,838.48/446,668.75
  6. Step 6: Final answer
    x = 338,741.36

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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.