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Finding the Fourth Proportional to 446,605.76, 616,343.50 and 255,615.06

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Solution

The fourth proportional to 446,605.76, 616,343.50 and 255,615.06 is: 352,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,605.76 : 616,343.50 = 255,615.06 : x
  2. Step 2: Convert to fraction form
    446,605.76/616,343.50 = 255,615.06/x
  3. Step 3: Cross multiply
    446,605.76x = 616,343.50 × 255,615.06
  4. Step 4: Simplify right side
    446,605.76x = 157,546,680,733.11
  5. Step 5: Solve for x
    x = 157,546,680,733.11/446,605.76
  6. Step 6: Final answer
    x = 352,764.55

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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.