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Finding the Fourth Proportional to 357,832.73, 493,802.53 and 196,684.34

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Solution

The fourth proportional to 357,832.73, 493,802.53 and 196,684.34 is: 271,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,832.73 : 493,802.53 = 196,684.34 : x
  2. Step 2: Convert to fraction form
    357,832.73/493,802.53 = 196,684.34/x
  3. Step 3: Cross multiply
    357,832.73x = 493,802.53 × 196,684.34
  4. Step 4: Simplify right side
    357,832.73x = 97,123,221,742.66
  5. Step 5: Solve for x
    x = 97,123,221,742.66/357,832.73
  6. Step 6: Final answer
    x = 271,420.73

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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.