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Finding the Fourth Proportional to 335,140.96, 462,964.50 and 304,872.88

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Solution

The fourth proportional to 335,140.96, 462,964.50 and 304,872.88 is: 421,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,140.96 : 462,964.50 = 304,872.88 : x
  2. Step 2: Convert to fraction form
    335,140.96/462,964.50 = 304,872.88/x
  3. Step 3: Cross multiply
    335,140.96x = 462,964.50 × 304,872.88
  4. Step 4: Simplify right side
    335,140.96x = 141,145,320,452.76
  5. Step 5: Solve for x
    x = 141,145,320,452.76/335,140.96
  6. Step 6: Final answer
    x = 421,152.10

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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.