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Finding the Fourth Proportional to 349,502.08, 482,296.98 and 213,763.36

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Solution

The fourth proportional to 349,502.08, 482,296.98 and 213,763.36 is: 294,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,502.08 : 482,296.98 = 213,763.36 : x
  2. Step 2: Convert to fraction form
    349,502.08/482,296.98 = 213,763.36/x
  3. Step 3: Cross multiply
    349,502.08x = 482,296.98 × 213,763.36
  4. Step 4: Simplify right side
    349,502.08x = 103,097,422,962.65
  5. Step 5: Solve for x
    x = 103,097,422,962.65/349,502.08
  6. Step 6: Final answer
    x = 294,983.72

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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.