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Finding the Fourth Proportional to 458,355.39, 632,520.90 and 254,394.34

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Solution

The fourth proportional to 458,355.39, 632,520.90 and 254,394.34 is: 351,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,355.39 : 632,520.90 = 254,394.34 : x
  2. Step 2: Convert to fraction form
    458,355.39/632,520.90 = 254,394.34/x
  3. Step 3: Cross multiply
    458,355.39x = 632,520.90 × 254,394.34
  4. Step 4: Simplify right side
    458,355.39x = 160,909,736,891.71
  5. Step 5: Solve for x
    x = 160,909,736,891.71/458,355.39
  6. Step 6: Final answer
    x = 351,058.90

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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.