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Finding the Fourth Proportional to 301,637.22, 452,455.40 and 76,997.74

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Solution

The fourth proportional to 301,637.22, 452,455.40 and 76,997.74 is: 115,496.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,637.22 : 452,455.40 = 76,997.74 : x
  2. Step 2: Convert to fraction form
    301,637.22/452,455.40 = 76,997.74/x
  3. Step 3: Cross multiply
    301,637.22x = 452,455.40 × 76,997.74
  4. Step 4: Simplify right side
    301,637.22x = 34,838,043,250.80
  5. Step 5: Solve for x
    x = 34,838,043,250.80/301,637.22
  6. Step 6: Final answer
    x = 115,496.50

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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.