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Finding the Fourth Proportional to 503,813.28, 695,261.04 and 277,458.72

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Solution

The fourth proportional to 503,813.28, 695,261.04 and 277,458.72 is: 382,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,813.28 : 695,261.04 = 277,458.72 : x
  2. Step 2: Convert to fraction form
    503,813.28/695,261.04 = 277,458.72/x
  3. Step 3: Cross multiply
    503,813.28x = 695,261.04 × 277,458.72
  4. Step 4: Simplify right side
    503,813.28x = 192,906,238,224.27
  5. Step 5: Solve for x
    x = 192,906,238,224.27/503,813.28
  6. Step 6: Final answer
    x = 382,892.33

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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.