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Finding the Fourth Proportional to 456,589.68, 630,038.55 and 263,060.70

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Solution

The fourth proportional to 456,589.68, 630,038.55 and 263,060.70 is: 362,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,589.68 : 630,038.55 = 263,060.70 : x
  2. Step 2: Convert to fraction form
    456,589.68/630,038.55 = 263,060.70/x
  3. Step 3: Cross multiply
    456,589.68x = 630,038.55 × 263,060.70
  4. Step 4: Simplify right side
    456,589.68x = 165,738,381,989.99
  5. Step 5: Solve for x
    x = 165,738,381,989.99/456,589.68
  6. Step 6: Final answer
    x = 362,991.96

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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.