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Finding the Fourth Proportional to 506,519.56, 698,973.87 and 277,073.56

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Solution

The fourth proportional to 506,519.56, 698,973.87 and 277,073.56 is: 382,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,519.56 : 698,973.87 = 277,073.56 : x
  2. Step 2: Convert to fraction form
    506,519.56/698,973.87 = 277,073.56/x
  3. Step 3: Cross multiply
    506,519.56x = 698,973.87 × 277,073.56
  4. Step 4: Simplify right side
    506,519.56x = 193,667,178,507.88
  5. Step 5: Solve for x
    x = 193,667,178,507.88/506,519.56
  6. Step 6: Final answer
    x = 382,348.86

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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.