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Finding the Fourth Proportional to 446,679.66, 616,500.97 and 255,693.05

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Solution

The fourth proportional to 446,679.66, 616,500.97 and 255,693.05 is: 352,903.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,679.66 : 616,500.97 = 255,693.05 : x
  2. Step 2: Convert to fraction form
    446,679.66/616,500.97 = 255,693.05/x
  3. Step 3: Cross multiply
    446,679.66x = 616,500.97 × 255,693.05
  4. Step 4: Simplify right side
    446,679.66x = 157,635,012,068.79
  5. Step 5: Solve for x
    x = 157,635,012,068.79/446,679.66
  6. Step 6: Final answer
    x = 352,903.94

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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.