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Finding the Fourth Proportional to 347,193.33, 520,698.86 and 147,410.88

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Solution

The fourth proportional to 347,193.33, 520,698.86 and 147,410.88 is: 221,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,193.33 : 520,698.86 = 147,410.88 : x
  2. Step 2: Convert to fraction form
    347,193.33/520,698.86 = 147,410.88/x
  3. Step 3: Cross multiply
    347,193.33x = 520,698.86 × 147,410.88
  4. Step 4: Simplify right side
    347,193.33x = 76,756,674,564.10
  5. Step 5: Solve for x
    x = 76,756,674,564.10/347,193.33
  6. Step 6: Final answer
    x = 221,077.62

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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.