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Finding the Fourth Proportional to 450,157.32, 621,193.86 and 246,168.54

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Solution

The fourth proportional to 450,157.32, 621,193.86 and 246,168.54 is: 339,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,157.32 : 621,193.86 = 246,168.54 : x
  2. Step 2: Convert to fraction form
    450,157.32/621,193.86 = 246,168.54/x
  3. Step 3: Cross multiply
    450,157.32x = 621,193.86 × 246,168.54
  4. Step 4: Simplify right side
    450,157.32x = 152,918,385,573.16
  5. Step 5: Solve for x
    x = 152,918,385,573.16/450,157.32
  6. Step 6: Final answer
    x = 339,699.88

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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.