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Finding the Fourth Proportional to 357,901.17, 493,913.02 and 196,760.27

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Solution

The fourth proportional to 357,901.17, 493,913.02 and 196,760.27 is: 271,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,901.17 : 493,913.02 = 196,760.27 : x
  2. Step 2: Convert to fraction form
    357,901.17/493,913.02 = 196,760.27/x
  3. Step 3: Cross multiply
    357,901.17x = 493,913.02 × 196,760.27
  4. Step 4: Simplify right side
    357,901.17x = 97,182,459,171.72
  5. Step 5: Solve for x
    x = 97,182,459,171.72/357,901.17
  6. Step 6: Final answer
    x = 271,534.34

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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.