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Finding the Fourth Proportional to 475,020.80, 713,049.60 and 265,068.80

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Solution

The fourth proportional to 475,020.80, 713,049.60 and 265,068.80 is: 397,892.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,020.80 : 713,049.60 = 265,068.80 : x
  2. Step 2: Convert to fraction form
    475,020.80/713,049.60 = 265,068.80/x
  3. Step 3: Cross multiply
    475,020.80x = 713,049.60 × 265,068.80
  4. Step 4: Simplify right side
    475,020.80x = 189,007,201,812.48
  5. Step 5: Solve for x
    x = 189,007,201,812.48/475,020.80
  6. Step 6: Final answer
    x = 397,892.48

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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.