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Finding the Fourth Proportional to 336,561.54, 504,410.34 and 146,970.51

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Solution

The fourth proportional to 336,561.54, 504,410.34 and 146,970.51 is: 220,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,561.54 : 504,410.34 = 146,970.51 : x
  2. Step 2: Convert to fraction form
    336,561.54/504,410.34 = 146,970.51/x
  3. Step 3: Cross multiply
    336,561.54x = 504,410.34 × 146,970.51
  4. Step 4: Simplify right side
    336,561.54x = 74,133,444,919.07
  5. Step 5: Solve for x
    x = 74,133,444,919.07/336,561.54
  6. Step 6: Final answer
    x = 220,267.13

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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.