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Finding the Fourth Proportional to 634,672.18, 875,847.55 and 359,024.14

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Solution

The fourth proportional to 634,672.18, 875,847.55 and 359,024.14 is: 495,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,672.18 : 875,847.55 = 359,024.14 : x
  2. Step 2: Convert to fraction form
    634,672.18/875,847.55 = 359,024.14/x
  3. Step 3: Cross multiply
    634,672.18x = 875,847.55 × 359,024.14
  4. Step 4: Simplify right side
    634,672.18x = 314,450,414,899.17
  5. Step 5: Solve for x
    x = 314,450,414,899.17/634,672.18
  6. Step 6: Final answer
    x = 495,453.28

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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.