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Finding the Fourth Proportional to 504,698.72, 696,484.92 and 275,256.56

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Solution

The fourth proportional to 504,698.72, 696,484.92 and 275,256.56 is: 379,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,698.72 : 696,484.92 = 275,256.56 : x
  2. Step 2: Convert to fraction form
    504,698.72/696,484.92 = 275,256.56/x
  3. Step 3: Cross multiply
    504,698.72x = 696,484.92 × 275,256.56
  4. Step 4: Simplify right side
    504,698.72x = 191,712,043,171.08
  5. Step 5: Solve for x
    x = 191,712,043,171.08/504,698.72
  6. Step 6: Final answer
    x = 379,854.43

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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.