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Finding the Fourth Proportional to 293,172.75, 439,014.84 and 245,662.91

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Solution

The fourth proportional to 293,172.75, 439,014.84 and 245,662.91 is: 367,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,172.75 : 439,014.84 = 245,662.91 : x
  2. Step 2: Convert to fraction form
    293,172.75/439,014.84 = 245,662.91/x
  3. Step 3: Cross multiply
    293,172.75x = 439,014.84 × 245,662.91
  4. Step 4: Simplify right side
    293,172.75x = 107,849,661,657.58
  5. Step 5: Solve for x
    x = 107,849,661,657.58/293,172.75
  6. Step 6: Final answer
    x = 367,870.69

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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.