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Finding the Fourth Proportional to 448,005.63, 618,247.50 and 246,801.63

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Solution

The fourth proportional to 448,005.63, 618,247.50 and 246,801.63 is: 340,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,005.63 : 618,247.50 = 246,801.63 : x
  2. Step 2: Convert to fraction form
    448,005.63/618,247.50 = 246,801.63/x
  3. Step 3: Cross multiply
    448,005.63x = 618,247.50 × 246,801.63
  4. Step 4: Simplify right side
    448,005.63x = 152,584,490,743.43
  5. Step 5: Solve for x
    x = 152,584,490,743.43/448,005.63
  6. Step 6: Final answer
    x = 340,586.10

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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.