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Finding the Fourth Proportional to 437,121.08, 603,254.94 and 265,055.48

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Solution

The fourth proportional to 437,121.08, 603,254.94 and 265,055.48 is: 365,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,121.08 : 603,254.94 = 265,055.48 : x
  2. Step 2: Convert to fraction form
    437,121.08/603,254.94 = 265,055.48/x
  3. Step 3: Cross multiply
    437,121.08x = 603,254.94 × 265,055.48
  4. Step 4: Simplify right side
    437,121.08x = 159,896,027,684.07
  5. Step 5: Solve for x
    x = 159,896,027,684.07/437,121.08
  6. Step 6: Final answer
    x = 365,793.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.