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Finding the Fourth Proportional to 633,090.50, 873,664.49 and 346,610.51

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Solution

The fourth proportional to 633,090.50, 873,664.49 and 346,610.51 is: 478,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,090.50 : 873,664.49 = 346,610.51 : x
  2. Step 2: Convert to fraction form
    633,090.50/873,664.49 = 346,610.51/x
  3. Step 3: Cross multiply
    633,090.50x = 873,664.49 × 346,610.51
  4. Step 4: Simplify right side
    633,090.50x = 302,821,297,498.48
  5. Step 5: Solve for x
    x = 302,821,297,498.48/633,090.50
  6. Step 6: Final answer
    x = 478,322.29

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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.