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Finding the Fourth Proportional to 349,807.34, 482,800.22 and 219,045.71

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Solution

The fourth proportional to 349,807.34, 482,800.22 and 219,045.71 is: 302,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,807.34 : 482,800.22 = 219,045.71 : x
  2. Step 2: Convert to fraction form
    349,807.34/482,800.22 = 219,045.71/x
  3. Step 3: Cross multiply
    349,807.34x = 482,800.22 × 219,045.71
  4. Step 4: Simplify right side
    349,807.34x = 105,755,313,468.83
  5. Step 5: Solve for x
    x = 105,755,313,468.83/349,807.34
  6. Step 6: Final answer
    x = 302,324.46

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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.