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Finding the Fourth Proportional to 458,015.39, 632,071.37 and 254,059.66

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Solution

The fourth proportional to 458,015.39, 632,071.37 and 254,059.66 is: 350,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,015.39 : 632,071.37 = 254,059.66 : x
  2. Step 2: Convert to fraction form
    458,015.39/632,071.37 = 254,059.66/x
  3. Step 3: Cross multiply
    458,015.39x = 632,071.37 × 254,059.66
  4. Step 4: Simplify right side
    458,015.39x = 160,583,837,357.93
  5. Step 5: Solve for x
    x = 160,583,837,357.93/458,015.39
  6. Step 6: Final answer
    x = 350,607.95

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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.