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Finding the Fourth Proportional to 375,519.10, 562,552.80 and 208,801.66

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Solution

The fourth proportional to 375,519.10, 562,552.80 and 208,801.66 is: 312,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,519.10 : 562,552.80 = 208,801.66 : x
  2. Step 2: Convert to fraction form
    375,519.10/562,552.80 = 208,801.66/x
  3. Step 3: Cross multiply
    375,519.10x = 562,552.80 × 208,801.66
  4. Step 4: Simplify right side
    375,519.10x = 117,461,958,477.65
  5. Step 5: Solve for x
    x = 117,461,958,477.65/375,519.10
  6. Step 6: Final answer
    x = 312,798.89

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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.