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Finding the Fourth Proportional to 336,303.36, 504,528.88 and 99,664.56

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Solution

The fourth proportional to 336,303.36, 504,528.88 and 99,664.56 is: 149,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,303.36 : 504,528.88 = 99,664.56 : x
  2. Step 2: Convert to fraction form
    336,303.36/504,528.88 = 99,664.56/x
  3. Step 3: Cross multiply
    336,303.36x = 504,528.88 × 99,664.56
  4. Step 4: Simplify right side
    336,303.36x = 50,283,648,832.49
  5. Step 5: Solve for x
    x = 50,283,648,832.49/336,303.36
  6. Step 6: Final answer
    x = 149,518.72

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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.