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Finding the Fourth Proportional to 293,436.88, 439,437.46 and 265,037.64

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Solution

The fourth proportional to 293,436.88, 439,437.46 and 265,037.64 is: 396,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,436.88 : 439,437.46 = 265,037.64 : x
  2. Step 2: Convert to fraction form
    293,436.88/439,437.46 = 265,037.64/x
  3. Step 3: Cross multiply
    293,436.88x = 439,437.46 × 265,037.64
  4. Step 4: Simplify right side
    293,436.88x = 116,467,467,325.99
  5. Step 5: Solve for x
    x = 116,467,467,325.99/293,436.88
  6. Step 6: Final answer
    x = 396,908.08

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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.