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Finding the Fourth Proportional to 448,004.58, 618,246.27 and 246,800.58

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Solution

The fourth proportional to 448,004.58, 618,246.27 and 246,800.58 is: 340,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,004.58 : 618,246.27 = 246,800.58 : x
  2. Step 2: Convert to fraction form
    448,004.58/618,246.27 = 246,800.58/x
  3. Step 3: Cross multiply
    448,004.58x = 618,246.27 × 246,800.58
  4. Step 4: Simplify right side
    448,004.58x = 152,583,538,018.84
  5. Step 5: Solve for x
    x = 152,583,538,018.84/448,004.58
  6. Step 6: Final answer
    x = 340,584.77

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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.