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Finding the Fourth Proportional to 504,502.15, 696,203.56 and 275,061.42

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Solution

The fourth proportional to 504,502.15, 696,203.56 and 275,061.42 is: 379,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,502.15 : 696,203.56 = 275,061.42 : x
  2. Step 2: Convert to fraction form
    504,502.15/696,203.56 = 275,061.42/x
  3. Step 3: Cross multiply
    504,502.15x = 696,203.56 × 275,061.42
  4. Step 4: Simplify right side
    504,502.15x = 191,498,739,822.66
  5. Step 5: Solve for x
    x = 191,498,739,822.66/504,502.15
  6. Step 6: Final answer
    x = 379,579.63

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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.