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Finding the Fourth Proportional to 656,174.64, 983,728.44 and 276,850.56

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Solution

The fourth proportional to 656,174.64, 983,728.44 and 276,850.56 is: 415,050.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,174.64 : 983,728.44 = 276,850.56 : x
  2. Step 2: Convert to fraction form
    656,174.64/983,728.44 = 276,850.56/x
  3. Step 3: Cross multiply
    656,174.64x = 983,728.44 × 276,850.56
  4. Step 4: Simplify right side
    656,174.64x = 272,345,769,501.93
  5. Step 5: Solve for x
    x = 272,345,769,501.93/656,174.64
  6. Step 6: Final answer
    x = 415,050.74

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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.