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Finding the Fourth Proportional to 448,141, 618,447.54 and 246,949.96

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Solution

The fourth proportional to 448,141, 618,447.54 and 246,949.96 is: 340,798.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,141 : 618,447.54 = 246,949.96 : x
  2. Step 2: Convert to fraction form
    448,141/618,447.54 = 246,949.96/x
  3. Step 3: Cross multiply
    448,141x = 618,447.54 × 246,949.96
  4. Step 4: Simplify right side
    448,141x = 152,725,595,265.10
  5. Step 5: Solve for x
    x = 152,725,595,265.10/448,141
  6. Step 6: Final answer
    x = 340,798.09

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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.