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Finding the Fourth Proportional to 325,401, 488,046.40 and 88,688.24

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Solution

The fourth proportional to 325,401, 488,046.40 and 88,688.24 is: 133,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,401 : 488,046.40 = 88,688.24 : x
  2. Step 2: Convert to fraction form
    325,401/488,046.40 = 88,688.24/x
  3. Step 3: Cross multiply
    325,401x = 488,046.40 × 88,688.24
  4. Step 4: Simplify right side
    325,401x = 43,283,976,254.34
  5. Step 5: Solve for x
    x = 43,283,976,254.34/325,401
  6. Step 6: Final answer
    x = 133,017.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.