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Finding the Fourth Proportional to 458,366.76, 632,536.60 and 254,405.72

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Solution

The fourth proportional to 458,366.76, 632,536.60 and 254,405.72 is: 351,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,366.76 : 632,536.60 = 254,405.72 : x
  2. Step 2: Convert to fraction form
    458,366.76/632,536.60 = 254,405.72/x
  3. Step 3: Cross multiply
    458,366.76x = 632,536.60 × 254,405.72
  4. Step 4: Simplify right side
    458,366.76x = 160,920,929,149.35
  5. Step 5: Solve for x
    x = 160,920,929,149.35/458,366.76
  6. Step 6: Final answer
    x = 351,074.60

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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.