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Finding the Fourth Proportional to 349,803.63, 524,815.71 and 265,964.97

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Solution

The fourth proportional to 349,803.63, 524,815.71 and 265,964.97 is: 399,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,803.63 : 524,815.71 = 265,964.97 : x
  2. Step 2: Convert to fraction form
    349,803.63/524,815.71 = 265,964.97/x
  3. Step 3: Cross multiply
    349,803.63x = 524,815.71 × 265,964.97
  4. Step 4: Simplify right side
    349,803.63x = 139,582,594,565.68
  5. Step 5: Solve for x
    x = 139,582,594,565.68/349,803.63
  6. Step 6: Final answer
    x = 399,031.29

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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.