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Finding the Fourth Proportional to 475,024.80, 713,055.60 and 265,072.80

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Solution

The fourth proportional to 475,024.80, 713,055.60 and 265,072.80 is: 397,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,024.80 : 713,055.60 = 265,072.80 : x
  2. Step 2: Convert to fraction form
    475,024.80/713,055.60 = 265,072.80/x
  3. Step 3: Cross multiply
    475,024.80x = 713,055.60 × 265,072.80
  4. Step 4: Simplify right side
    475,024.80x = 189,011,644,447.68
  5. Step 5: Solve for x
    x = 189,011,644,447.68/475,024.80
  6. Step 6: Final answer
    x = 397,898.48

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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.