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Finding the Fourth Proportional to 504,807.20, 696,638.37 and 275,365.49

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Solution

The fourth proportional to 504,807.20, 696,638.37 and 275,365.49 is: 380,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,807.20 : 696,638.37 = 275,365.49 : x
  2. Step 2: Convert to fraction form
    504,807.20/696,638.37 = 275,365.49/x
  3. Step 3: Cross multiply
    504,807.20x = 696,638.37 × 275,365.49
  4. Step 4: Simplify right side
    504,807.20x = 191,830,162,624.66
  5. Step 5: Solve for x
    x = 191,830,162,624.66/504,807.20
  6. Step 6: Final answer
    x = 380,006.79

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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.