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Finding the Fourth Proportional to 458,265.51, 632,406.75 and 254,316.57

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Solution

The fourth proportional to 458,265.51, 632,406.75 and 254,316.57 is: 350,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,265.51 : 632,406.75 = 254,316.57 : x
  2. Step 2: Convert to fraction form
    458,265.51/632,406.75 = 254,316.57/x
  3. Step 3: Cross multiply
    458,265.51x = 632,406.75 × 254,316.57
  4. Step 4: Simplify right side
    458,265.51x = 160,831,515,504.85
  5. Step 5: Solve for x
    x = 160,831,515,504.85/458,265.51
  6. Step 6: Final answer
    x = 350,957.06

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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.