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Finding the Fourth Proportional to 317,289.61, 437,855.57 and 181,322.00

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Solution

The fourth proportional to 317,289.61, 437,855.57 and 181,322.00 is: 250,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,289.61 : 437,855.57 = 181,322.00 : x
  2. Step 2: Convert to fraction form
    317,289.61/437,855.57 = 181,322.00/x
  3. Step 3: Cross multiply
    317,289.61x = 437,855.57 × 181,322.00
  4. Step 4: Simplify right side
    317,289.61x = 79,392,845,474.26
  5. Step 5: Solve for x
    x = 79,392,845,474.26/317,289.61
  6. Step 6: Final answer
    x = 250,222.02

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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.