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Finding the Fourth Proportional to 634,939.32, 951,683.22 and 260,499

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Solution

The fourth proportional to 634,939.32, 951,683.22 and 260,499 is: 390,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,939.32 : 951,683.22 = 260,499 : x
  2. Step 2: Convert to fraction form
    634,939.32/951,683.22 = 260,499/x
  3. Step 3: Cross multiply
    634,939.32x = 951,683.22 × 260,499
  4. Step 4: Simplify right side
    634,939.32x = 247,912,527,126.78
  5. Step 5: Solve for x
    x = 247,912,527,126.78/634,939.32
  6. Step 6: Final answer
    x = 390,450.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.