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Finding the Fourth Proportional to 531,388.22, 797,000.18 and 194,350.05

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Solution

The fourth proportional to 531,388.22, 797,000.18 and 194,350.05 is: 291,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,388.22 : 797,000.18 = 194,350.05 : x
  2. Step 2: Convert to fraction form
    531,388.22/797,000.18 = 194,350.05/x
  3. Step 3: Cross multiply
    531,388.22x = 797,000.18 × 194,350.05
  4. Step 4: Simplify right side
    531,388.22x = 154,897,023,861.26
  5. Step 5: Solve for x
    x = 154,897,023,861.26/531,388.22
  6. Step 6: Final answer
    x = 291,495.03

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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.