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Finding the Fourth Proportional to 362,953.47, 500,741.95 and 219,661.23

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Solution

The fourth proportional to 362,953.47, 500,741.95 and 219,661.23 is: 303,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,953.47 : 500,741.95 = 219,661.23 : x
  2. Step 2: Convert to fraction form
    362,953.47/500,741.95 = 219,661.23/x
  3. Step 3: Cross multiply
    362,953.47x = 500,741.95 × 219,661.23
  4. Step 4: Simplify right side
    362,953.47x = 109,993,594,390.09
  5. Step 5: Solve for x
    x = 109,993,594,390.09/362,953.47
  6. Step 6: Final answer
    x = 303,051.50

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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.