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Finding the Fourth Proportional to 375,519.60, 562,553.55 and 208,802.16

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Solution

The fourth proportional to 375,519.60, 562,553.55 and 208,802.16 is: 312,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,519.60 : 562,553.55 = 208,802.16 : x
  2. Step 2: Convert to fraction form
    375,519.60/562,553.55 = 208,802.16/x
  3. Step 3: Cross multiply
    375,519.60x = 562,553.55 × 208,802.16
  4. Step 4: Simplify right side
    375,519.60x = 117,462,396,355.67
  5. Step 5: Solve for x
    x = 117,462,396,355.67/375,519.60
  6. Step 6: Final answer
    x = 312,799.64

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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.