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Finding the Fourth Proportional to 376,956.56, 520,193.34 and 207,190.64

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Solution

The fourth proportional to 376,956.56, 520,193.34 and 207,190.64 is: 285,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,956.56 : 520,193.34 = 207,190.64 : x
  2. Step 2: Convert to fraction form
    376,956.56/520,193.34 = 207,190.64/x
  3. Step 3: Cross multiply
    376,956.56x = 520,193.34 × 207,190.64
  4. Step 4: Simplify right side
    376,956.56x = 107,779,191,038.34
  5. Step 5: Solve for x
    x = 107,779,191,038.34/376,956.56
  6. Step 6: Final answer
    x = 285,919.39

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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.