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Finding the Fourth Proportional to 448,004.20, 618,245.52 and 246,800.20

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Solution

The fourth proportional to 448,004.20, 618,245.52 and 246,800.20 is: 340,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,004.20 : 618,245.52 = 246,800.20 : x
  2. Step 2: Convert to fraction form
    448,004.20/618,245.52 = 246,800.20/x
  3. Step 3: Cross multiply
    448,004.20x = 618,245.52 × 246,800.20
  4. Step 4: Simplify right side
    448,004.20x = 152,583,117,985.10
  5. Step 5: Solve for x
    x = 152,583,117,985.10/448,004.20
  6. Step 6: Final answer
    x = 340,584.12

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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.