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Finding the Fourth Proportional to 446,693.22, 616,439.16 and 242,745.84

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Solution

The fourth proportional to 446,693.22, 616,439.16 and 242,745.84 is: 334,990.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,693.22 : 616,439.16 = 242,745.84 : x
  2. Step 2: Convert to fraction form
    446,693.22/616,439.16 = 242,745.84/x
  3. Step 3: Cross multiply
    446,693.22x = 616,439.16 × 242,745.84
  4. Step 4: Simplify right side
    446,693.22x = 149,638,041,703.09
  5. Step 5: Solve for x
    x = 149,638,041,703.09/446,693.22
  6. Step 6: Final answer
    x = 334,990.63

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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.