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Finding the Fourth Proportional to 447,905.64, 618,109.76 and 246,701.64

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Solution

The fourth proportional to 447,905.64, 618,109.76 and 246,701.64 is: 340,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,905.64 : 618,109.76 = 246,701.64 : x
  2. Step 2: Convert to fraction form
    447,905.64/618,109.76 = 246,701.64/x
  3. Step 3: Cross multiply
    447,905.64x = 618,109.76 × 246,701.64
  4. Step 4: Simplify right side
    447,905.64x = 152,488,691,492.01
  5. Step 5: Solve for x
    x = 152,488,691,492.01/447,905.64
  6. Step 6: Final answer
    x = 340,448.25

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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.