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Finding the Fourth Proportional to 458,316.41, 632,467.13 and 254,355.48

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Solution

The fourth proportional to 458,316.41, 632,467.13 and 254,355.48 is: 351,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,316.41 : 632,467.13 = 254,355.48 : x
  2. Step 2: Convert to fraction form
    458,316.41/632,467.13 = 254,355.48/x
  3. Step 3: Cross multiply
    458,316.41x = 632,467.13 × 254,355.48
  4. Step 4: Simplify right side
    458,316.41x = 160,871,479,163.60
  5. Step 5: Solve for x
    x = 160,871,479,163.60/458,316.41
  6. Step 6: Final answer
    x = 351,005.28

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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.