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Finding the Fourth Proportional to 458,420.04, 632,609.64 and 254,458.98

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Solution

The fourth proportional to 458,420.04, 632,609.64 and 254,458.98 is: 351,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,420.04 : 632,609.64 = 254,458.98 : x
  2. Step 2: Convert to fraction form
    458,420.04/632,609.64 = 254,458.98/x
  3. Step 3: Cross multiply
    458,420.04x = 632,609.64 × 254,458.98
  4. Step 4: Simplify right side
    458,420.04x = 160,973,203,732.57
  5. Step 5: Solve for x
    x = 160,973,203,732.57/458,420.04
  6. Step 6: Final answer
    x = 351,147.83

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1.5x scale

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.