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Finding the Fourth Proportional to 453,453.72, 680,268.06 and 253,999.32

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Solution

The fourth proportional to 453,453.72, 680,268.06 and 253,999.32 is: 381,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,453.72 : 680,268.06 = 253,999.32 : x
  2. Step 2: Convert to fraction form
    453,453.72/680,268.06 = 253,999.32/x
  3. Step 3: Cross multiply
    453,453.72x = 680,268.06 × 253,999.32
  4. Step 4: Simplify right side
    453,453.72x = 172,787,624,657.72
  5. Step 5: Solve for x
    x = 172,787,624,657.72/453,453.72
  6. Step 6: Final answer
    x = 381,047.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.