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Finding the Fourth Proportional to 505,548.27, 697,656.92 and 276,108.75

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Solution

The fourth proportional to 505,548.27, 697,656.92 and 276,108.75 is: 381,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,548.27 : 697,656.92 = 276,108.75 : x
  2. Step 2: Convert to fraction form
    505,548.27/697,656.92 = 276,108.75/x
  3. Step 3: Cross multiply
    505,548.27x = 697,656.92 × 276,108.75
  4. Step 4: Simplify right side
    505,548.27x = 192,629,178,729.51
  5. Step 5: Solve for x
    x = 192,629,178,729.51/505,548.27
  6. Step 6: Final answer
    x = 381,030.24

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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.