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Finding the Fourth Proportional to 346,858.96, 520,358.76 and 197,170.96

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Solution

The fourth proportional to 346,858.96, 520,358.76 and 197,170.96 is: 295,796.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,858.96 : 520,358.76 = 197,170.96 : x
  2. Step 2: Convert to fraction form
    346,858.96/520,358.76 = 197,170.96/x
  3. Step 3: Cross multiply
    346,858.96x = 520,358.76 × 197,170.96
  4. Step 4: Simplify right side
    346,858.96x = 102,599,636,253.61
  5. Step 5: Solve for x
    x = 102,599,636,253.61/346,858.96
  6. Step 6: Final answer
    x = 295,796.41

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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.