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Finding the Fourth Proportional to 458,362.45, 632,530.38 and 254,401.48

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Solution

The fourth proportional to 458,362.45, 632,530.38 and 254,401.48 is: 351,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,362.45 : 632,530.38 = 254,401.48 : x
  2. Step 2: Convert to fraction form
    458,362.45/632,530.38 = 254,401.48/x
  3. Step 3: Cross multiply
    458,362.45x = 632,530.38 × 254,401.48
  4. Step 4: Simplify right side
    458,362.45x = 160,916,664,816.96
  5. Step 5: Solve for x
    x = 160,916,664,816.96/458,362.45
  6. Step 6: Final answer
    x = 351,068.60

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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.