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Finding the Fourth Proportional to 363,457.97, 545,186.84 and 97,211.60

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Solution

The fourth proportional to 363,457.97, 545,186.84 and 97,211.60 is: 145,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,457.97 : 545,186.84 = 97,211.60 : x
  2. Step 2: Convert to fraction form
    363,457.97/545,186.84 = 97,211.60/x
  3. Step 3: Cross multiply
    363,457.97x = 545,186.84 × 97,211.60
  4. Step 4: Simplify right side
    363,457.97x = 52,998,481,803.35
  5. Step 5: Solve for x
    x = 52,998,481,803.35/363,457.97
  6. Step 6: Final answer
    x = 145,817.36

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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.