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Finding the Fourth Proportional to 265,055.20, 397,582.80 and 265,055.20

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Solution

The fourth proportional to 265,055.20, 397,582.80 and 265,055.20 is: 397,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,055.20 : 397,582.80 = 265,055.20 : x
  2. Step 2: Convert to fraction form
    265,055.20/397,582.80 = 265,055.20/x
  3. Step 3: Cross multiply
    265,055.20x = 397,582.80 × 265,055.20
  4. Step 4: Simplify right side
    265,055.20x = 105,381,388,570.56
  5. Step 5: Solve for x
    x = 105,381,388,570.56/265,055.20
  6. Step 6: Final answer
    x = 397,582.80

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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.