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Finding the Fourth Proportional to 448,179, 618,487.02 and 246,975

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Solution

The fourth proportional to 448,179, 618,487.02 and 246,975 is: 340,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,179 : 618,487.02 = 246,975 : x
  2. Step 2: Convert to fraction form
    448,179/618,487.02 = 246,975/x
  3. Step 3: Cross multiply
    448,179x = 618,487.02 × 246,975
  4. Step 4: Simplify right side
    448,179x = 152,750,831,764.50
  5. Step 5: Solve for x
    x = 152,750,831,764.50/448,179
  6. Step 6: Final answer
    x = 340,825.50

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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.