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Finding the Fourth Proportional to 562,504.68, 776,251.89 and 307,855.26

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Solution

The fourth proportional to 562,504.68, 776,251.89 and 307,855.26 is: 424,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,504.68 : 776,251.89 = 307,855.26 : x
  2. Step 2: Convert to fraction form
    562,504.68/776,251.89 = 307,855.26/x
  3. Step 3: Cross multiply
    562,504.68x = 776,251.89 × 307,855.26
  4. Step 4: Simplify right side
    562,504.68x = 238,973,227,421.44
  5. Step 5: Solve for x
    x = 238,973,227,421.44/562,504.68
  6. Step 6: Final answer
    x = 424,837.76

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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.