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Finding the Fourth Proportional to 504,499.15, 696,199.43 and 275,058.42

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Solution

The fourth proportional to 504,499.15, 696,199.43 and 275,058.42 is: 379,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,499.15 : 696,199.43 = 275,058.42 : x
  2. Step 2: Convert to fraction form
    504,499.15/696,199.43 = 275,058.42/x
  3. Step 3: Cross multiply
    504,499.15x = 696,199.43 × 275,058.42
  4. Step 4: Simplify right side
    504,499.15x = 191,495,510,364.41
  5. Step 5: Solve for x
    x = 191,495,510,364.41/504,499.15
  6. Step 6: Final answer
    x = 379,575.49

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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.