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Finding the Fourth Proportional to 357,774.58, 493,740.75 and 196,635.34

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Solution

The fourth proportional to 357,774.58, 493,740.75 and 196,635.34 is: 271,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,774.58 : 493,740.75 = 196,635.34 : x
  2. Step 2: Convert to fraction form
    357,774.58/493,740.75 = 196,635.34/x
  3. Step 3: Cross multiply
    357,774.58x = 493,740.75 × 196,635.34
  4. Step 4: Simplify right side
    357,774.58x = 97,086,879,751.14
  5. Step 5: Solve for x
    x = 97,086,879,751.14/357,774.58
  6. Step 6: Final answer
    x = 271,363.27

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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.