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Finding the Fourth Proportional to 336,030.20, 504,134.40 and 146,409.20

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Solution

The fourth proportional to 336,030.20, 504,134.40 and 146,409.20 is: 219,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,030.20 : 504,134.40 = 146,409.20 : x
  2. Step 2: Convert to fraction form
    336,030.20/504,134.40 = 146,409.20/x
  3. Step 3: Cross multiply
    336,030.20x = 504,134.40 × 146,409.20
  4. Step 4: Simplify right side
    336,030.20x = 73,809,914,196.48
  5. Step 5: Solve for x
    x = 73,809,914,196.48/336,030.20
  6. Step 6: Final answer
    x = 219,652.62

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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.