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Finding the Fourth Proportional to 503,975.28, 695,487.60 and 277,620.24

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Solution

The fourth proportional to 503,975.28, 695,487.60 and 277,620.24 is: 383,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,975.28 : 695,487.60 = 277,620.24 : x
  2. Step 2: Convert to fraction form
    503,975.28/695,487.60 = 277,620.24/x
  3. Step 3: Cross multiply
    503,975.28x = 695,487.60 × 277,620.24
  4. Step 4: Simplify right side
    503,975.28x = 193,081,434,429.02
  5. Step 5: Solve for x
    x = 193,081,434,429.02/503,975.28
  6. Step 6: Final answer
    x = 383,116.88

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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.