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Finding the Fourth Proportional to 448,050, 618,309 and 246,850.32

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Solution

The fourth proportional to 448,050, 618,309 and 246,850.32 is: 340,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,050 : 618,309 = 246,850.32 : x
  2. Step 2: Convert to fraction form
    448,050/618,309 = 246,850.32/x
  3. Step 3: Cross multiply
    448,050x = 618,309 × 246,850.32
  4. Step 4: Simplify right side
    448,050x = 152,629,774,508.88
  5. Step 5: Solve for x
    x = 152,629,774,508.88/448,050
  6. Step 6: Final answer
    x = 340,653.44

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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.