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Finding the Fourth Proportional to 483,509.93, 667,203.59 and 265,707.15

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Solution

The fourth proportional to 483,509.93, 667,203.59 and 265,707.15 is: 366,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,509.93 : 667,203.59 = 265,707.15 : x
  2. Step 2: Convert to fraction form
    483,509.93/667,203.59 = 265,707.15/x
  3. Step 3: Cross multiply
    483,509.93x = 667,203.59 × 265,707.15
  4. Step 4: Simplify right side
    483,509.93x = 177,280,762,530.92
  5. Step 5: Solve for x
    x = 177,280,762,530.92/483,509.93
  6. Step 6: Final answer
    x = 366,653.82

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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.