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Finding the Fourth Proportional to 448,009.38, 618,252.67 and 246,805.38

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Solution

The fourth proportional to 448,009.38, 618,252.67 and 246,805.38 is: 340,591.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,009.38 : 618,252.67 = 246,805.38 : x
  2. Step 2: Convert to fraction form
    448,009.38/618,252.67 = 246,805.38/x
  3. Step 3: Cross multiply
    448,009.38x = 618,252.67 × 246,805.38
  4. Step 4: Simplify right side
    448,009.38x = 152,588,085,155.37
  5. Step 5: Solve for x
    x = 152,588,085,155.37/448,009.38
  6. Step 6: Final answer
    x = 340,591.27

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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.