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Finding the Fourth Proportional to 357,602.03, 493,490.99 and 196,467.45

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Solution

The fourth proportional to 357,602.03, 493,490.99 and 196,467.45 is: 271,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,602.03 : 493,490.99 = 196,467.45 : x
  2. Step 2: Convert to fraction form
    357,602.03/493,490.99 = 196,467.45/x
  3. Step 3: Cross multiply
    357,602.03x = 493,490.99 × 196,467.45
  4. Step 4: Simplify right side
    357,602.03x = 96,954,915,420.94
  5. Step 5: Solve for x
    x = 96,954,915,420.94/357,602.03
  6. Step 6: Final answer
    x = 271,125.19

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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.