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Finding the Fourth Proportional to 454,430.52, 627,040.08 and 263,406.60

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Solution

The fourth proportional to 454,430.52, 627,040.08 and 263,406.60 is: 363,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,430.52 : 627,040.08 = 263,406.60 : x
  2. Step 2: Convert to fraction form
    454,430.52/627,040.08 = 263,406.60/x
  3. Step 3: Cross multiply
    454,430.52x = 627,040.08 × 263,406.60
  4. Step 4: Simplify right side
    454,430.52x = 165,166,495,536.53
  5. Step 5: Solve for x
    x = 165,166,495,536.53/454,430.52
  6. Step 6: Final answer
    x = 363,458.19

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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.