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Finding the Fourth Proportional to 634,471.50, 949,483.24 and 454,755.01

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Solution

The fourth proportional to 634,471.50, 949,483.24 and 454,755.01 is: 680,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,471.50 : 949,483.24 = 454,755.01 : x
  2. Step 2: Convert to fraction form
    634,471.50/949,483.24 = 454,755.01/x
  3. Step 3: Cross multiply
    634,471.50x = 949,483.24 × 454,755.01
  4. Step 4: Simplify right side
    634,471.50x = 431,782,255,653.55
  5. Step 5: Solve for x
    x = 431,782,255,653.55/634,471.50
  6. Step 6: Final answer
    x = 680,538.45

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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.